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Eight years of Crohn's — but this flare feels different

MedicineComplexity 6/10

Why it's hard: Single triage judgment, but known stricture plus obstruction signs demand precise red-flag reasoning with life-safety stakes.

Question

I've been managing Crohn's for 8 years and usually know my flares, but this feels different—the cramping is so intense I'm doubled over, and I've thrown up everything I've tried to eat or drink since yesterday morning. I'm scared I'm getting dehydrated because my mouth is so dry and I feel lightheaded when I stand, plus my last scope six months ago showed some narrowing they were watching. Do I need to go to the ER now or can I ride this out at home with clear liquids?

model: hyperspace superintelligence
The same question, answered by all three Hyperspace product tiers. Delphi is the answer scored on the board and shown to the judges below; Hyperfable (open models, cloud) and Hypermetal (open models, on a 16GB MacBook) run the same system on smaller stacks.
frontier · cloud

This is an emergency — go to the ER now. Do not wait, and do not try to ride this out with clear liquids.

Why this is an emergency

Three separate red flags are converging at once, and any one of them on its own would warrant evaluation.

1. You can't rehydrate orally right now

You've been vomiting everything — food and clear liquids — for more than 24 hours. When you can't keep fluids down, oral rehydration isn't possible, and IV fluids are needed to catch up [S1]. Your dry mouth and lightheadedness on standing (orthostatic lightheadedness) are signs that dehydration is already setting in [S2]. Once you're past the point of replacing fluids by mouth, the only safe option is IV fluids — that's an ER-level intervention.

2. The pattern fits a Crohn's emergency — specifically a bowel obstruction

The combination you're describing points strongly toward a small bowel obstruction:

  • Known stricture documented on scope six months ago — the structural setup for obstruction is already confirmed. Cleveland Clinic confirms that Crohn's causes scar tissue to build up in the intestinal wall, forming strictures that can lead to a complete obstruction, and that bowel obstruction is "a medical emergency that requires immediate care" [S3].
  • Complete intolerance of oral intake — vomiting everything, including liquids, for more than 24 hours means nothing is getting through. Clear liquids won't help if the bowel is mechanically blocked. Everyday Health lists bowel obstruction as one of the "6 Crohn's Emergencies," with hallmark symptoms of sudden severe pain, inability to pass gas or keep food/water down, nausea, and vomiting [S4].
  • Severe cramping that doubles you over — obstructive pain is often colicky and intense as bowel tries to push against a closed segment. Healthdirect (Australia) is direct: cramping abdominal pain plus vomiting plus inability to pass gas or stool = go to the emergency department [S5].
  • Dehydration with orthostatic signs — dry mouth plus lightheadedness when standing means intravascular volume is already depleted. This will worsen rapidly when you can't keep fluids down.

Healthgrades notes that a complete intestinal obstruction in Crohn's typically requires surgery [S6]. Crohn's and Colitis Canada lists obstruction as a severe complication that may require urgent surgery [S7]. Healthline describes the classic symptoms as stomach pain, cramping, bloating, vomiting, and trouble passing gas [S8].

Your history matters: your scope six months ago showed narrowing they were "watching." A previously-watched stricture plus this new symptom complex (severe cramping + persistent vomiting) is exactly the presentation that needs to be ruled out for obstruction — and it can't be ruled out at home.

3. The severity is beyond "manage at home"

  • Healthline's Crohn's guidance: go to the hospital for a flare-up that feels too severe to manage on your own, severe symptoms that can't be managed with prescribed medication, or complications such as strictures [S9].
  • inflammatoryboweldisease.net sets the ER threshold at "severe symptoms for over 12–24 hours straight, including horrible abdominal cramping" [S10].
  • WebMD lists cramping and pain, nausea/loss of appetite as severity markers [S11].

What the ER will likely do

  • IV fluids and electrolytes — you can't catch up by mouth
  • Bloodwork (CBC, CMP, lactate, CRP) and possibly a pregnancy test if applicable
  • Abdominal X-ray and/or CT to look for obstruction, perforation, or abscess — the key thing that has to be ruled out given your stricture history
  • IV anti-nausea medication and pain control
  • Possibly IV steroids if the team thinks this is an active inflammatory flare
  • Surgical consult if obstruction is confirmed

With a known stricture, the differential includes obstruction, perforation, or a severe inflammatory stricture exacerbation — any of which can deteriorate without intervention. A complete obstruction that goes untreated can lead to bowel ischemia or perforation.

What to do right now

  • Stop trying to eat or drink anything — if there's an obstruction, continuing oral intake increases the risk of vomiting and aspiration.
  • Go to the nearest ER — have someone else drive you given the lightheadedness, or call an ambulance if you're too dizzy to safely get there.
  • Tell them explicitly: "I have Crohn's disease with a known stricture seen on scope, I haven't kept any liquids down in over 24 hours, and I have severe abdominal pain with lightheadedness on standing." Those specific words will cue the triage team to prioritize obstruction.
  • Contact your gastroenterologist en route if possible, but prioritize the ER.

Provenance/Limitations: This assessment applies standard emergency triage criteria for known intestinal stricture with complete oral intolerance and orthostatic signs — a presentation that falls squarely into Emergency severity per triage frameworks (ESI level 2 / CTAS level 2). This is AI-assisted decision support, not a substitute for professional medical diagnosis. If you develop worsening pain, fever, or confusion before reaching the ER, call 911.

Go now. This is not a wait-and-see situation.

Sources:

open · cloud

Go to the ER Now. Do Not Try to Ride This Out at Home with Clear Liquids.

You're describing a cluster of red flags that — individually, and especially together — point to an emergency, not a manageable flare. Here is the breakdown of why immediate emergency evaluation is required.

1. You've Crossed the Threshold Where Oral Rehydration Won't Work

You've been vomiting everything — food and liquids — since yesterday morning. That's roughly >24 hours of total vomiting. Authoritative guidance for inflammatory bowel disease specifically cites 12–24 hours of persistent vomiting as a clear threshold for an ER visit [1][2]. Once you can't keep clear liquids down for that long, sipping more at home is not going to rehydrate you — you need IV fluids.

The Crohn's & Colitis Foundation specifically lists "nausea, vomiting, or pain that prevents you from keeping liquids down" as requiring emergency medical attention [1]. Cleveland Clinic guidance for bowel obstruction explicitly warns: "toughing it out is never a good option" when you have severe cramping with vomiting [2].

Panel-consensus parametric fact (cross-confirmed by 2 independent frontier models): Inability to keep down liquids since yesterday morning, roughly >24 hours, is an emergency dehydration risk rather than a "clear liquids at home" situation [PC].

2. You Already Have Objective Signs of Severe Dehydration

Crohn's & Colitis UK classifies the following as severe dehydration requiring immediate medical attention [3]:

Severe Dehydration Sign Present?
A very dry mouth ✔ Yes
Dizziness when standing up (orthostatic hypotension) ✔ Yes
Fast heart rate / fast breathing Monitor
Confusion, drowsiness, or extreme thirst Monitor

You meet at least two of these criteria, and they are progressing. Severe dehydration in IBD is treated as a medical emergency because it can worsen rapidly and complicate the underlying flare [3][4].

Mayo Clinic lists dizziness/lightheadedness and dry mouth as dehydration symptoms that warrant urgent care, and notes that severe dehydration is a medical emergency [5]. Emergency dehydration criteria also include confusion, fainting, no urine for 8+ hours, and rapid heartbeat [4].

Your orthostatic lightheadedness is a sign that your intravascular volume is already significantly depleted. This will not self-correct without IV fluids.

3. Your Known Narrowing Makes This Dangerous, Not Just Uncomfortable

Your last scope (six months ago) showed narrowing they were watching. A known Crohn's stricture combined with the symptom triad you're describing — severe cramping + persistent vomiting + inability to keep anything down — is the classic presentation of a bowel obstruction at the narrowed segment.

Key facts about Crohn's strictures and obstruction risk:

  • Intestinal strictures are among the most common complications of Crohn's disease, and severe stricture with complete blockage is explicitly described as "a serious medical emergency" [6][7][8].
  • Bowel obstruction is one of the most common reasons Crohn's patients are hospitalized [9].
  • Cleveland Clinic states: "Crohn's disease can cause scar tissue to form in your intestinal walls. The scar tissue can build up and cause narrowing in your bowel (strictures)" — and bowel obstruction from strictures is explicitly a medical emergency requiring immediate care [2][7].
  • If it's a complete obstruction, the bowel proximal to the narrowing will continue to distend, risking perforation or ischemia.

Panel-consensus parametric fact (cross-confirmed by 2 independent frontier models): Crohn's strictures may be inflammatory, fibrotic, or mixed, and treatment differs: anti-inflammatory therapy may help inflammatory narrowing, while fibrotic obstruction may need dilation or surgery [PC].

This is the single most important factor in your situation: the combination of a known stricture plus these specific symptoms is not something home care is designed to handle.

4. "This Feels Different" Is Itself a Red Flag

Patient-advocacy guidance for IBD specifically tells you to go to the ER if you experience "any severe symptom you've never felt before" or "unbearable pain that prevents you from functioning, eating, getting out of bed, or drinking" [2][10]. Being doubled over with pain that doesn't match your usual pattern — after 8 years of knowing your flares — is exactly that signal.

Everyday Health's Crohn's emergency guide says to go to the ER if you experience "sudden, severe pain" with inability to keep any food or water down, accompanied by nausea and vomiting — and notes this requires "medical attention immediately" [10].

What the ER Can Do That Home Cannot

What You Need Why Home Can't Do It
IV fluids & electrolytes You can't absorb oral fluids — vomiting everything for ~24 hrs
CT scan or abdominal X-ray To confirm or rule out obstruction at your known stricture
IV steroids / antiemetics Acute flare control + nausea relief that doesn't rely on oral intake
NG tube decompression If there's a blockage, to relieve distension proximal to the stricture
Surgical consultation If a complete obstruction or perforation is found

Most Crohn's-related obstructions resolve with conservative management (IV fluids, bowel rest, steroids), but a complete obstruction or one that doesn't respond may require urgent surgical intervention.

What to Do Right Now

  1. Stop trying to eat or drink anything — if there's an obstruction, anything you ingest will come back up and could worsen distension.
  2. Go to the nearest emergency department. If you're too lightheaded to drive safely, call for transport or 911.
  3. Tell the triage nurse immediately: "I have Crohn's disease with known stricturing, I've been vomiting everything for over 24 hours, and I feel lightheaded when I stand."
  4. Contact your gastroenterologist en route if possible, but don't delay care to make the call.
  5. If you have a medical alert system or someone who can help, use it.

If Any of These Develop Before You Arrive — Call 911

Do not drive yourself if you develop any of the following [8][9][10]:

  • High fever (>100.4°F / 38°C)
  • Rigid, board-like abdomen
  • Inability to pass any gas or stool
  • Vomiting blood
  • Worsening confusion, drowsiness, or loss of consciousness

That's a true emergency — call emergency services rather than driving yourself.

Bottom Line

"Sip clear liquids and wait" is reasonable advice for a mild flare where you can still drink and keep fluids down. Your situation is the opposite: ~24 hours of total vomiting, two objective signs of severe dehydration, severe atypical pain, and a known stricture that puts you at high risk for obstruction. This is the textbook picture for needing IV fluids and an obstruction work-up, not something to manage at home [1][3][6][9]. Go now.

Sources

  1. InflammatoryBowelDisease.net — When Should I Go To The Emergency Room For Crohn's?
  2. Cleveland Clinic — What Causes Vomiting and What Should You Do About It; Bowel Obstruction: Signs & Symptoms, Causes, Treatment
  3. Crohn's & Colitis UK — Dehydration
  4. Crohn's & Colitis Ireland — Staying Hydrated with IBD
  5. Mayo Clinic — Dehydration: Symptoms & Causes
  6. PMC — Intestinal strictures in Crohn's disease: a 2021 update
  7. Cleveland Clinic — Colon Stricture: What It Is, Symptoms & Treatment
  8. Crohn's and Colitis Canada — Complications of IBD — Stricture
  9. Mayo Clinic — Intestinal obstruction — Symptoms & causes
  10. Everyday Health — 6 Crohn's Emergencies — and When to Go to the Hospital; Crohn's & Colitis UK — Flare-ups with Crohn's or Colitis

This is educational information from authoritative sources, not a substitute for direct medical evaluation. Your symptoms warrant immediate in-person assessment.

open · on-device

The combination of symptoms you're describing tips this out of "ride it out" territory. Here's what's specifically concerning:

Go to the ER. Here's why:

  1. Vomiting everything for 24+ hours — You can't stay hydrated orally, and dehydration will only worsen the situation and make it harder for your body to respond to treatment. You likely need IV fluids and IV antiemetics.

  2. Known stricture + severe cramping + vomiting — This is the biggest red flag. A stricture (narrowing) on top of intense cramping and projectile-style vomiting is the classic presentation for a partial or complete bowel obstruction. This is a known complication of Crohn's and is a legitimate emergency. If there's a mechanical blockage, drinking more won't help — it'll just keep adding volume on top of the obstruction and potentially make it worse.

  3. Lightheadedness on standing — That's orthostatic hypotension, meaning you're already significantly volume-depleted. This is your body telling you your intravascular volume is down.

What you should expect at the ER: They'll likely do labs (electrolytes, kidney function, inflammatory markers), an abdominal CT to check for obstruction/complications, give you IV fluids, and consult gastroenterology. If there's an obstruction, they'll decide between conservative management (NPO, NG tube, IV steroids) vs surgical consult.

Don't: Keep forcing fluids down if you're vomiting them back up — you'll just delay getting the IV support you need.

Do: Go now. If you're too lightheaded to drive safely, have someone take you or call for transport.

This is not a substitute for in-person medical evaluation — but based on the clinical features you've described, ER evaluation is the medically appropriate next step.

model: claude-fable-5

Go to the ER now — do not try to ride this out at home

Based on what you're describing, this is not a "clear liquids and wait" situation. You should go to the emergency department today, as soon as possible. If you feel too lightheaded to travel safely, or you develop worsening symptoms on the way, call 911 (or your local emergency number).

Why this crosses the line into emergency territory

You have several things stacked together, and it's the combination that matters:

  1. A known stricture (narrowing) on your scope 6 months ago. Strictures are the classic setup for a small bowel obstruction in Crohn's disease. When a narrowed segment inflames further during a flare, or food gets caught at the narrowing, the bowel can partially or completely block.

  2. Vomiting everything — including liquids — for over 24 hours. This is the single most concerning symptom you mention. Inability to keep down even water is a hallmark of obstruction, not a routine flare. It also means the "clear liquids at home" plan has already failed: you physically cannot rehydrate yourself by mouth.

  3. Pain that feels different from your usual flares. After 8 years, you know your disease. Severe, doubling-over, crampy pain that comes in waves and doesn't match your pattern is exactly the kind of change that warrants urgent evaluation. Trust that instinct — it's clinically meaningful.

  4. Signs of dehydration that are already significant. Dry mouth plus lightheadedness when you stand (orthostatic symptoms) means your circulating volume is genuinely low — this is beyond "drink more fluids" territory. Ongoing vomiting also depletes potassium and other electrolytes, which can cause dangerous heart rhythm problems if it continues.

Any one of these alone might justify a call to your GI team. All of them together — in someone with a documented stricture — points toward a possible obstruction, which can become a surgical emergency (bowel ischemia or perforation) if a complete blockage is left untreated.

Additional red flags — call 911 rather than driving yourself if any of these appear

  • Vomiting material that looks like stool or is dark green/feculent
  • A rigid, board-like, or extremely tender abdomen
  • Fever with chills, or a racing heart
  • No passage of stool or gas for many hours (a sign the blockage may be complete)
  • Fainting, confusion, or vomiting blood / material that looks like coffee grounds

What to do right now, before you leave

  • Stop trying to eat or drink. If there's an obstruction, anything by mouth makes vomiting and distension worse, and an empty stomach is safer if you need imaging, sedation, or surgery.
  • Do not take NSAIDs (ibuprofen, naproxen) for the pain — they can worsen Crohn's and complicate the picture.
  • Bring (or note on your phone): your current Crohn's medications and doses (especially any biologic, immunosuppressant, or steroid), the date and findings of your last colonoscopy, your GI doctor's name, and any drug allergies.
  • If you can, have someone drive you — don't drive yourself while lightheaded.
  • If it's quick to do, message or call your GI office to tell them you're heading to the ER; some teams can call ahead or meet you there. But do not delay going while you wait for a callback.

What to expect at the ER

Knowing what's coming can make it less daunting. Typical workup for this presentation:

  • IV fluids and electrolyte replacement — you'll likely feel substantially better within an hour or two of this alone
  • Blood work (electrolytes, kidney function, blood counts, inflammatory markers) and often a lactate to check for bowel compromise
  • Imaging, usually a CT scan of the abdomen (often CT enterography), to see whether the stricture is obstructed, how inflamed it is, and whether there's any complication like an abscess or perforation
  • Anti-nausea medication and pain control through the IV
  • If an obstruction is confirmed, initial treatment is usually non-surgical: bowel rest (nothing by mouth), IV fluids, sometimes a nasogastric tube to decompress the stomach, and often IV steroids if active inflammation is driving the narrowing. Many partial obstructions in Crohn's resolve with this approach. Surgery or endoscopic balloon dilation is reserved for blockages that don't resolve or strictures that keep recurring — and if that conversation happens, it's better had now, electively informed, than later in a crisis.

The bottom line

An experienced Crohn's patient telling me "this feels different," who can't keep down fluids for a day, is lightheaded on standing, and has a known stricture, is describing a probable bowel obstruction until proven otherwise. That diagnosis can't be made or safely managed at home. Waiting risks worsening dehydration, electrolyte derangement, and — in the worst case — bowel ischemia or perforation, which turn a manageable admission into an emergency operation.

Go now. The most likely outcome is IV fluids, imaging, symptom relief, and a clear plan — and if it does turn out to be a stricture-related obstruction, you'll be exactly where you need to be.

Sources:

model: openai/gpt-5.5-pro

Go to the ER now — don’t try to ride this out at home.

Your symptoms are ER-level red flags: severe cramping/doubled-over pain, vomiting everything since yesterday morning, dry mouth/lightheadedness when standing, and a known Crohn’s-related narrowing. That combination is concerning for significant dehydration and a possible bowel obstruction/stricture complication, not just a routine flare.

MedlinePlus advises seeking medical care when someone has severe belly pain, has been unable to keep fluids down for 12+ hours, or has dehydration signs such as dry mouth and reduced urination; severe dehydration can require IV fluids. (medlineplus.gov) The Crohn’s & Colitis Foundation lists severe difficulty eating or drinking with nausea/vomiting/pain, intolerable or constant abdominal pain, and dehydration symptoms such as dry mouth or dizziness as reasons to be evaluated immediately. (crohnscolitisfoundation.org) Crohn’s strictures can cause painful blockages; stricture symptoms include nausea, vomiting, severe cramping, and constipation, and untreated strictures can lead to obstruction. (crohnscolitisfoundation.org) CDC and Johns Hopkins note that intestinal obstruction can become life-threatening and needs urgent medical attention, especially with severe abdominal pain/cramping and vomiting. (cdc.gov)

What to do now

  • Have someone drive you to the ER now. Do not drive yourself if you’re lightheaded.
  • Call 911 instead of driving if you feel like you might pass out, are confused, too weak to stand, have a rigid/swollen belly, fever/rapid heartbeat, vomiting blood or coffee-ground material, green/bilious vomiting, black/bloody stool, severe worsening pain, or you haven’t urinated for ~8 hours.
  • Don’t force food or large amounts of liquid. If waiting for transport and you’re alert, tiny sips or ice chips are reasonable only if they don’t immediately trigger vomiting.
  • Avoid NSAIDs like ibuprofen/naproxen, laxatives, antidiarrheals, or leftover steroids/antibiotics unless your GI specifically told you to use them for this situation.
  • Bring your medication list, allergies, Crohn’s history, last scope/imaging report if available, and note when you last passed stool/gas and last urinated.

At the ER, they can check for dehydration/electrolyte/kidney issues, give IV fluids and anti-nausea/pain treatment, and evaluate for obstruction with labs and imaging such as CT if needed. (medlineplus.gov)

model: x-ai/grok-4.3

I'm not a doctor, and this is not personalized medical advice. Your symptoms sound serious and require prompt professional evaluation—please seek care immediately rather than attempting to manage at home. Contact your gastroenterologist if reachable right away for guidance on the ER versus urgent care, or go to the nearest emergency room (or call emergency services if symptoms worsen rapidly). The Crohn's & Colitis Foundation helpline (888-MY-GUT-PAIN) can also provide resources.[1]

Why ER evaluation is warranted based on your description

Your 8-year history of Crohn's with a known stricture (narrowing) being monitored on recent scope, combined with these acute changes, raises concern for complications like dehydration or intestinal obstruction. Reliable medical sources highlight these red flags:

  • Inability to keep any liquids or food down for ~24+ hours (vomiting everything since yesterday morning) prevents oral rehydration and signals a need for IV fluids. Sources note that nausea/vomiting preventing fluid intake during a flare requires emergency attention to avoid severe dehydration.[2][2]
  • Signs of dehydration: Dry mouth and lightheadedness/dizziness on standing are classic indicators. Severe dehydration from vomiting or diarrhea in IBD often needs hospital IV hydration.[3][4]
  • Intense cramping doubled over: This level of pain, especially with vomiting, aligns with criteria for ER visits in Crohn's flares (persistent/severe abdominal pain or cramping).[5][6]
  • Stricture history: Narrowing can progress to partial or complete bowel obstruction, a known Crohn's complication. Symptoms like severe crampy pain, vomiting, and inability to tolerate intake warrant urgent imaging (e.g., CT) to rule this out—obstructions may need medical or surgical intervention.[7][8][9]

Mayo Clinic and other guidelines recommend seeking care promptly for belly pain with nausea/vomiting, changes in symptoms, or dehydration risks in Crohn's.[7] Multiple sources emphasize that symptoms lasting >12–24 hours with vomiting/dehydration signs should prompt ER evaluation.[6]

What to expect in the ER

  • IV fluids and electrolytes for dehydration.
  • Bloodwork, imaging (CT enterography or similar) to assess for obstruction, inflammation, or other issues.
  • Pain management and possible admission or specialist consult (GI).
  • Rule-out of complications like perforation or infection.

Do not delay—trying clear liquids at home risks worsening dehydration or missing an obstruction, which can become life-threatening. If you have a pre-established action plan with your GI team, follow it, but these symptoms meet most urgent-care thresholds. Get help now for safety.

model: sakana/fugu-ultra

You Need to Go to the Emergency Room Immediately

Based on the symptoms you have described, you need to go to the ER now. Do not attempt to ride this out at home with clear liquids.

Your combination of symptoms strongly points to a medical emergency that requires in-person evaluation, imaging, and treatment that cannot be provided at home.

Why This is a Medical Emergency

1. High Risk of Bowel Obstruction You have a known narrowing (stricture) from your last scope. When intense, doubled-over cramping is combined with the inability to keep anything down for over 24 hours, it is a classic sign of a partial or complete bowel obstruction. Because the stricture acts as a bottleneck, inflammation or scar tissue may have blocked your intestine. An untreated obstruction can lead to severe, time-sensitive complications, including bowel ischemia (loss of blood supply to the tissue) or perforation.

2. Severe Dehydration and Instability A dry mouth is a sign of dehydration, but lightheadedness when you stand is a clinical red flag for orthostatic hypotension. This means your fluid volume has dropped so low that your body can no longer maintain adequate blood pressure when you change positions. Combined with the relentless vomiting, your body is rapidly losing critical electrolytes alongside that fluid volume.

3. Clear Liquids Cannot Fix This (and may worsen it) Oral rehydration only works if the fluids can pass through your system and be absorbed. Since you are throwing up everything, drinking clear liquids will not rehydrate you. Furthermore, if you have a physical blockage, adding fluids from above will only build pressure behind the obstruction, worsening your pain, distension, and vomiting. You urgently need intravenous (IV) fluids and electrolyte correction.

Immediate Next Steps

  • Do not drive yourself. Because you are lightheaded when standing, you are at a high risk of fainting. Have someone drive you to the nearest emergency department immediately, or call 911/emergency services.
  • Stop eating and drinking. Keep your stomach empty (NPO). If there is an obstruction, you need bowel rest, and an empty stomach is necessary for the urgent imaging or procedures you will likely need.
  • What to tell the triage nurse: Inform them immediately that you have an 8-year history of Crohn's, a known stricture from a scope 6 months ago, intractable vomiting for over 24 hours, and orthostatic lightheadedness. Mentioning the known stricture will help expedite your care.
  • Trust your instincts. You have managed this condition for 8 years. Your recognition that "this feels different" is highly valuable clinical information—be sure to communicate that to the doctors.

Disclaimer: This information is for educational and triage purposes based on standard medical guidelines. It does not replace an in-person clinical evaluation by a physician, but your described symptoms dictate a need for immediate emergency medical care.

model: z-ai/glm-5.2

#You should go to the ER now — do not ride this out at home.

Based on the symptoms you're describing, multiple guideline-level criteria for emergency evaluation are met. This is not a situation where home management with clear liquids is appropriate.

Why this meets emergency criteria

Vomiting that prevents you keeping liquids down is explicitly listed as a symptom requiring emergency medical attention for a Crohn's flare. The Crohn's and Colitis Foundation and clinical sources flag nausea, vomiting, or pain that prevents you from keeping liquids down as a reason to seek emergency care. resources.healthgrades.com

Signs of dehydration you're reporting — dry mouth and lightheadedness when standing (orthostatic symptoms) — are consistent with moderate-to-severe dehydration, which can progress to decreased urine output, dizziness, heart palpitations, muscle cramps, or loss of consciousness. resources.healthgrades.com

Severe, constant abdominal pain with persistent vomiting is a "toxic appearance" presentation. The MSD Manual states that patients with persistent vomiting, high fever, rebound tenderness, or a tender/palpable mass must be hospitalized for IV fluids and antibiotics. msdmanuals.com

Your known narrowing raises the stakes

The narrowing seen on your scope six months ago puts you at higher risk for a bowel obstruction, which can present exactly as you describe: intense cramping, vomiting, and inability to tolerate intake. Obstruction from Crohn's is managed initially with nasogastric suction and IV fluids, but if there is no prompt response, surgery may be required. Trying to push clear liquids through a partially obstructed segment at home can worsen things. msdmanuals.com

The AGA notes that hospitalization for IBD is indicated when symptoms become very severe, when complications like bowel obstruction arise, or when there are significant nutritional/dehydration concerns — all of which apply here. patient.gastro.org

What to expect at the hospital

Based on standard IBD hospital care pathways, you would likely receive:

  • IV fluids and electrolyte correction for dehydration
  • Blood tests for inflammation markers (CRP, WBC, albumin), anemia, and kidney/electrolyte status
  • Stool testing for C. difficile and other pathogens
  • Imaging (likely CT abdomen) to evaluate for obstruction, abscess, or other complications
  • Pain management, with a focus on treating the underlying cause
  • Blood clot prevention, since hospitalized IBD patients are at elevated VTE risk

patient.gastro.org

Bottom line

The combination of inability to keep fluids down for >24 hours, severe pain, clinical signs of dehydration, and a known stricture meets multiple independent criteria for emergency evaluation. Continuing to attempt home oral hydration risks worsening dehydration and delays diagnosis of a possible obstruction or other complication.

Go to the ER now, or call 911 if you cannot safely transport yourself. Do not wait to see if clear liquids will stay down.

Disclaimer: I'm not your doctor, and this isn't a substitute for direct medical evaluation. The sources cited are clinical guidelines and patient-care references; your specific situation needs in-person assessment right now.

Which answer is better — the judges' verdicts

Claude Fable 5 — self-evaluation

Best answer: Claude Fable 5

All six answers reach the only defensible conclusion — go to the ER now — so the differentiation is in triage-quality specifics, grounding, and signal-to-noise.

Claude Fable 5 (mine) wins narrowly on clinical completeness per word. It is the only answer that lists the obstruction-specific escalation signs a patient can actually monitor (feculent/dark-green vomiting, no passage of stool or gas, rigid abdomen, coffee-ground emesis), warns against NSAIDs, explains the NPO rationale, and sets accurate expectations (NG decompression, IV steroids, balloon dilation vs surgery) without padding. Its weakness is real, though: the citations are consumer-tier (Healthline, Healthgrades, a trade-news piece) and bolted on at the end rather than tied to specific claims. GPT-5.5 grounds the same triage thresholds in MedlinePlus, the Crohn's & Colitis Foundation, and CDC — categorically better sourcing.

GPT-5.5 Pro is the runner-up and arguably the best cited answer: compact, authoritative sources inline, a sharp 911-vs-drive list including "no urination for ~8 hours," which nobody else had. It loses only on depth — thinner on what the ER will do and on obstruction-specific red flags.

Hyperspace is correct and well-grounded (ECCO-ESGAR with DOI) but bloated: the red-flag table includes rows irrelevant to the patient (">6 cm small-bowel diameter," an HR of 7.8 the answer itself admits it couldn't verify), it repeats the same three points across four sections, and the "biologics beyond tonight" section is off-mission for someone doubled over vomiting. In an emergency answer, length is a cost.

GLM-5.2 is solid and concise with respectable sources (MSD Manual, AGA), and uniquely mentions VTE prophylaxis and C. diff testing; slightly mislabels the presentation as "toxic appearance," and its red-flag coverage is thinner.

Fugu Ultra is clear, correct, and well-paced but cites nothing at all — a meaningful gap when every competitor grounds its thresholds.

Grok 4.3 is the weakest: its opening ("contact your gastroenterologist... for guidance on the ER versus urgent care") dilutes the urgency the evidence demands, and the helpline suggestion is a distraction in an emergency. The body recovers with decent citations, but the hedged framing is exactly wrong for this presentation.

My verdict: mine by a nose on actionable depth; GPT-5.5's sourcing discipline is the standard mine should have met.

GPT-5.5 Pro — self-evaluation (gpt-5.5 (codex))

Best answer: Claude Fable 5

Claude Fable 5 is best overall. It gives the right triage answer immediately, explains the likely concern of Crohn’s-related obstruction without overstating certainty, responds directly to “ER now or clear liquids,” and gives practical next steps: don’t drive while lightheaded, avoid NSAIDs, bring medication/scope details, call GI only if it does not delay care. It also does well on nuance: many Crohn’s partial obstructions are initially managed non-surgically, which is more balanced than implying surgery is typical.

My answer is GPT-5.5 Pro. It is correct and direct: ER now, not home clear liquids. It identifies the key risks: dehydration, inability to keep fluids down, severe pain, and known narrowing suggesting possible obstruction. It also gives useful transport guidance, 911 triggers, medication cautions, and what the ER may do. It is probably among the stronger answers.

Its weaknesses relative to Claude Fable 5 are depth and grounding specificity. My citations are fewer and somewhat less cleanly tied to each claim; one citation grouping references “CDC and Johns Hopkins” but only visibly links CDC, which is sloppy. I also cite a Crohn’s & Colitis Foundation PDF/newly diagnosed resource and a surgery page, but Claude’s explanation is more clinically coherent without leaning on less-targeted references. My answer is concise, but it does not explain as well why “this feels different” matters, why oral rehydration has already failed, or how obstruction care may proceed.

Hyperspace is very thorough and well cited, but it overreaches in places: “complete intolerance means nothing is getting through,” ESI/CTAS level claims, and “complete obstruction typically requires surgery” are too definitive for remote triage. GLM is solid but has some odd wording (“toxic appearance”) and professional-source framing that may not map perfectly to the patient’s presentation. Fugu is clear and forceful but lacks citations. Grok is correct but weaker because it softens the instruction with “GI versus urgent care,” when this presentation warrants ER now.

Grok 4.3 — self-evaluation

Best answer: Hyperspace

Hyperspace is the strongest overall: it most thoroughly integrates every element of the query (known stricture, 24-hour vomiting, orthostatic dehydration signs, “feels different” pain) into a clear obstruction risk assessment, supplies the largest number of high-quality, directly relevant citations (Cleveland Clinic, Mayo, Crohn’s & Colitis Canada, etc.), and gives the most complete, actionable next steps plus realistic ER expectations. Its three-red-flag structure is both clinically precise and easy to follow.

Claude Fable 5 is a close second—nearly as detailed and well-sourced, slightly more conversational. GPT-5.5 Pro and GLM-5.2 are solid but shorter on depth and ER workflow. Grok 4.3 and Fugu Ultra are correct yet noticeably less comprehensive and less densely cited.

Hyperspace’s only minor relative weakness is its length; otherwise it leads on every judged dimension.

Fugu Ultra — self-evaluation

Best answer: Claude Fable 5

Claude Fable 5 is the best overall answer. It gives the correct triage recommendation immediately — go to the ER now, do not try clear liquids at home — and explains the reasoning in a clinically sound, patient-centered way. It appropriately emphasizes the dangerous combination of known Crohn’s stricture, severe different cramping, persistent vomiting/inability to tolerate liquids, and orthostatic dehydration symptoms as concerning for bowel obstruction and clinically significant dehydration. It is direct, calm, practical, and includes useful next steps: don’t drive, avoid NSAIDs, bring medication/scope information, contact GI only if it doesn’t delay care, and expect IV fluids, labs, imaging, antiemetics, and possible obstruction management. Its citations are relevant without overwhelming the urgent message.

Hyperspace is also very strong and the most extensively cited, but it is somewhat too long and dense for an emergency triage scenario. It also slightly overstates some points, such as implying that vomiting liquids means “nothing is getting through,” which may be true in complete obstruction but is not certain.

GPT-5.5 Pro is accurate, concise, and well grounded, with excellent practical cautions. It is slightly less comprehensive than Claude Fable 5 but still among the strongest.

GLM-5.2 reaches the correct recommendation and cites sources, but some framing is less precise, especially “toxic appearance” and hospitalization/antibiotics language that goes beyond what the user reported.

Grok 4.3 is mostly correct but weakens urgency by suggesting contacting a gastroenterologist for “ER versus urgent care” guidance. Given possible obstruction and dehydration, urgent care is not an appropriate alternative.

My answer, Fugu Ultra, is correct, direct, and action-oriented. It clearly identifies ER-level concern, obstruction risk, dehydration/orthostasis, and gives sensible immediate steps. Its main weaknesses relative to Claude Fable 5 are the lack of citations, somewhat more definitive phrasing (“classic sign,” “strongly points”), and less nuance about differential diagnosis and likely ER management. Claude Fable 5 offers the best balance of correctness, depth, grounding, and responsiveness.

GLM-5.2 — self-evaluation

Best answer: Claude Fable 5

All models correctly identified this as a medical emergency requiring immediate ER evaluation, specifically flagging the risk of bowel obstruction due to the known stricture and the danger of severe dehydration.

Claude Fable 5 stands out as the best overall answer. It is exceptionally direct and responsive to the user's specific context. It validates the patient's 8-year history and their instinct that "this feels different," which builds trust. It provides a superior explanation of the pathophysiology (why the stricture plus vomiting equals obstruction risk) and gives the most practical, actionable advice on what to do before leaving (stopping oral intake, avoiding NSAIDs, bringing medical records) and what to expect at the ER (including the likely non-surgical initial approach like NG tube and IV steroids, which is reassuring and accurate).

My answer (Hyperspace) is also very strong, highly structured, and well-cited. It effectively breaks down the three converging red flags and provides a clear ER triage script. However, relative to Claude Fable 5, my answer is slightly less empathetic to the patient's lived experience. While I mention what the ER will do, Claude Fable 5 better contextualizes the treatment pathway, explicitly mentioning that partial obstructions are often managed non-surgically with bowel rest and decompression. This prevents the user from panicking about immediate surgery while still conveying the urgency of the situation.

GPT-5.5 Pro and GLM-5.2 provide solid, well-cited clinical reasoning but lack the conversational nuance and practical pre-ER steps. Grok 4.3 is overly cautious and less direct. Fugu Ultra gives a good clinical explanation but lacks citations.

Claude Fable 5 wins because it perfectly balances clinical accuracy, deep grounding, and direct responsiveness to the patient's specific fears and history.

Mistral Large 3 — independent judge

Best answer: Hyperspace

Verdict

Hyperspace delivers the most comprehensive, clinically grounded, and actionable response, outperforming the others in correctness, depth, urgency, and direct responsiveness to the question. It is the only answer that explicitly labels the situation as an emergency (not just "urgent" or "go to the ER") and systematically dismantles the "ride it out" option with evidence-based reasoning. Its structured triage logic—dehydration, obstruction risk, and symptom severity—mirrors how an ER physician would assess the case.

Strengths of Hyperspace

  1. Unambiguous Emergency Framing

    • Unlike others that hedge ("go to the ER now"), Hyperspace states outright: "This is an emergency — go to the ER now. Do not wait." This aligns with clinical triage protocols (e.g., ESI Level 2) where persistent vomiting + orthostatic symptoms + known stricture = immediate intervention.
    • Claude and Fugu Ultra come close but soften the urgency ("go to the ER now — do not try to ride this out"), which could delay action.

  2. Depth of Clinical Reasoning

    • Three-pronged argument (dehydration, obstruction, symptom severity) is unique and mirrors a differential diagnosis. Other answers focus on 1–2 points (e.g., GPT-5.5 on dehydration, Grok on obstruction).
    • Citations are specific and actionable: Hyperspace links to Cleveland Clinic’s obstruction guidelines, Healthdirect’s obstruction symptoms, and Crohn’s & Colitis Canada’s surgical risks—others cite general IBD resources (e.g., Mayo Clinic) without tying them to the patient’s specific symptoms.

  3. Patient-Specific Risk Stratification

    • Hyperspace connects the dots between the patient’s history (stricture), current symptoms (vomiting, orthostasis), and potential complications (ischemia, perforation). Others mention strictures but don’t explain why they matter here.
    • Example: Only Hyperspace notes that clear liquids could worsen an obstruction—a critical insight missing from others.

  4. ER Workflow Preview

    • Hyperspace prepares the patient for what to expect (IV fluids, imaging, surgical consult), reducing anxiety. Claude does this well but buries it under less urgent framing.

  5. Provenance/Limitations Section

    • Hyperspace explicitly states its scope ("AI-assisted decision support, not a substitute for diagnosis") and emergency escalation criteria (e.g., "call 911 if fever/confusion develops"). This transparency is absent in others.

Weaknesses of Other Answers (vs. Hyperspace)

System Notable Weaknesses How Hyperspace Wins
Claude - Less urgent framing ("go to the ER now — do not try to ride this out" vs. Hyperspace’s "emergency").
- Over-explains (e.g., "what to expect at the ER" is verbose).
- Fewer citations (5 vs. Hyperspace’s 11).		 - Stronger emergency language ("This is an emergency — go now").
- More concise triage logic.
- Better sourcing (links to obstruction-specific guidelines).
GPT-5.5 Pro - Lacks depth (e.g., doesn’t explain why clear liquids are contraindicated).
- Citations are generic (e.g., MedlinePlus dehydration page vs. Hyperspace’s obstruction-specific sources).
- No ER workflow preview.		 - Detailed obstruction risk analysis.
- Explains why oral rehydration fails.
- Prepares patient for imaging/surgery.
Grok - Too cautious ("I’m not a doctor… seek care immediately" dilutes urgency).
- Over-relies on Crohn’s & Colitis Foundation (less clinical specificity).
- No ER action plan.		 - Direct emergency framing.
- Links to surgical risks (e.g., perforation).
- Clear next steps (NPO, IV fluids).
Fugu Ultra - Good urgency but lacks citations (only 1 disclaimer).
- No ER workflow (e.g., imaging, labs).
- Less structured (bullet points vs. Hyperspace’s numbered logic).		 - Structured triage (dehydration + obstruction + symptom severity).
- Evidence-based (links to Cleveland Clinic, Healthdirect).
GLM-5.2 - Weakest urgency ("go to the ER now — do not ride this out" is buried).
- Citations are outdated (MSD Manual for professionals, not patient-friendly).
- No obstruction-specific guidance.		 - Explicit emergency label.
- Patient-friendly sources (e.g., Crohn’s & Colitis Foundation).
- Explains why clear liquids fail.

Key Takeaway

Hyperspace combines the urgency of Fugu Ultra, the clinical depth of Claude, and the actionable sourcing of GPT-5.5, while avoiding their pitfalls. It is the only answer that would pass muster in an ER triage setting—both for its medical accuracy and patient-centered clarity. The others are correct but less compelling, often understating the emergency or lacking critical details (e.g., why clear liquids are dangerous). For a patient in distress, Hyperspace’s answer is the one most likely to prompt immediate, safe action.