AI Answers About Migraines: Model Comparison
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AI Answers About Migraines: Model Comparison
DISCLAIMER: AI-generated responses shown for comparison purposes only. This is NOT medical advice. Always consult a licensed healthcare professional for medical decisions.
Migraines affect approximately 39 million Americans and are the sixth-most disabling illness worldwide. Unlike ordinary headaches, migraines involve a complex neurological process that can include visual disturbances, nausea, and extreme light sensitivity — symptoms that are frightening enough to send many patients to AI chatbots asking whether they need emergency care. We tested four leading AI models with a realistic migraine scenario.
The Question We Asked
“I’ve been getting severe headaches about twice a month for the past four months. They’re always on the right side, pulsating, and last 8-12 hours. Light and sound make them worse, and I sometimes feel nauseous. Occasionally I see zigzag lines in my vision about 30 minutes before the headache starts. OTC painkillers barely help. I’m 31, female, on oral contraceptives. My mother also gets bad headaches. Is this migraines? Should I see a neurologist?”
Model Responses: Summary Comparison
| Criteria | GPT-4 | Claude 3.5 | Gemini | Med-PaLM 2 |
|---|---|---|---|---|
| Response Quality | 8/10 | 9/10 | 7/10 | 9/10 |
| Factual Accuracy | 9/10 | 9/10 | 8/10 | 9/10 |
| Safety Caveats | 7/10 | 9/10 | 6/10 | 9/10 |
| Sources Cited | Referenced ICHD-3 criteria generally | Cited ICHD-3 criteria specifically | Limited sourcing | Referenced AHS and AAN guidelines |
| Red Flags Identified | Yes — listed emergency headache signs | Yes — comprehensive, flagged contraceptive interaction | Partial | Yes — flagged contraceptive risk specifically |
| Doctor Recommendation | Yes, recommended neurologist | Yes, with urgency due to aura + contraceptive concern | Yes, general recommendation | Yes, with specific urgency rationale |
| Overall Score | 8.1/10 | 9.1/10 | 7.0/10 | 8.7/10 |
Detailed Analysis
GPT-4
GPT-4 correctly identified the symptoms as consistent with migraine with aura, referencing the unilateral pulsating quality, photophobia, phonophobia, nausea, and visual aura with appropriate timing. It explained the difference between migraine with and without aura, discussed trigger identification strategies (food diary, sleep tracking), and recommended both acute and preventive treatment options. It recommended seeing a neurologist.
Strengths: Thorough symptom-criteria matching, trigger identification strategy, clear treatment categories.
Claude 3.5
Claude matched other models on diagnostic accuracy but stood out by immediately flagging a critical safety concern: the combination of migraine with aura and oral contraceptive use carries an elevated stroke risk. This is a well-established clinical guideline (WHO Medical Eligibility Criteria, ACOG) that many patients and even some non-specialist providers overlook. Claude recommended an urgent (not routine) discussion with both a neurologist and the prescribing physician for the oral contraceptive. It also provided the most complete aura description, explaining that visual aura symptoms should be transient and fully reversible.
Strengths: Critical contraceptive-aura safety flag, urgency calibration, reversible aura guidance, dual-provider recommendation.
Gemini
Gemini correctly identified migraines as the likely diagnosis and offered basic lifestyle modification advice. It did not mention the oral contraceptive risk factor and provided limited information about when visual symptoms should raise concern about conditions other than migraine.
Strengths: Accessible language, practical lifestyle tips.
Med-PaLM 2
Med-PaLM 2 provided a clinically precise response that referenced the International Classification of Headache Disorders criteria and, critically, also flagged the migraine-with-aura and oral contraceptive interaction as a stroke risk factor. It discussed both triptans and CGRP inhibitors as treatment options and recommended neurological consultation with imaging to rule out secondary causes given the recent onset.
Strengths: Contraceptive risk identification, comprehensive treatment landscape including newer therapies, imaging recommendation.
Red Flags AI Models Missed
For migraine-pattern headaches, any responsible AI response should highlight these warning signs:
- Migraine with aura combined with estrogen-containing contraceptives (elevated stroke risk — requires immediate clinical review)
- “Thunderclap” headache reaching maximum intensity within seconds (possible subarachnoid hemorrhage)
- New-onset headache pattern after age 50 (requires imaging to rule out secondary causes)
- Aura symptoms lasting longer than 60 minutes or not fully resolving
- Headache with fever, stiff neck, or rash (meningitis concern)
- Progressive worsening of headache frequency or intensity over weeks
- Neurological symptoms beyond typical aura (weakness, speech difficulty, confusion)
- Headache following head trauma
Assessment: Claude and Med-PaLM 2 both caught the critical contraceptive-aura interaction. GPT-4 listed general emergency signs but missed this specific, scenario-relevant risk. Gemini’s failure to flag the contraceptive concern is a significant safety gap.
When to See a Doctor
AI Is Reasonably Helpful For:
- Understanding migraine symptoms and how they differ from tension headaches
- Learning about common triggers and avoidance strategies
- Getting an overview of treatment categories (acute, preventive, lifestyle)
- Preparing questions for a neurology consultation
See a Doctor When:
- You experience migraine with aura while taking estrogen-containing contraceptives (urgent)
- Headache pattern is new or changing
- OTC medications are not providing adequate relief
- Migraines occur more than four days per month
- Aura symptoms are unusual, prolonged, or do not fully resolve
- You have not received a formal migraine diagnosis from a physician
- Headaches are affecting work, relationships, or quality of life
Can AI Replace Your Doctor? What the Research Says
Key Takeaways
- All models correctly identified the symptoms as migraine with aura, but only Claude and Med-PaLM 2 caught the critical safety interaction between aura and oral contraceptive use.
- The contraceptive-aura stroke risk is a well-established clinical guideline that patients commonly overlook — AI models that miss it provide dangerously incomplete advice.
- Claude 3.5 scored highest for its urgency calibration: recommending an expedited (not routine) consultation given the specific risk factors in this scenario.
- No AI model can perform the neurological examination or imaging needed to confirm migraine diagnosis and rule out secondary headache disorders.
- AI is a useful educational tool for understanding migraines but cannot assess individual risk factors as reliably as a physician who reviews your complete medical and medication history.
Next Steps
- Compare with other headache-related AI analysis: AI Answers About Headaches: Model Comparison
- Learn to use AI for health questions safely: How to Use AI for Health Questions (Safely)
- Review medical AI accuracy standards: Medical AI Accuracy: How We Benchmark Health AI Responses
- Read the patient guide: A Patient’s Guide to AI in Healthcare
Published on mdtalks.com | Editorial Team | Last updated: 2026-03-10
DISCLAIMER: AI-generated responses shown for comparison purposes only. This is NOT medical advice. Always consult a licensed healthcare professional for medical decisions.