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Yes, coffee can trigger a migraine — but it's a bit of a double-edged sword. For some people, caffeine actually helps relieve migraine symptoms, while for others it's a clear trigger. It really depends on the person.

Here are the main ways coffee can lead to a migraine:

- Dehydration – Caffeine is a diuretic, which can Show Full Answer

Yes, coffee can trigger a migraine — but it's a bit of a double-edged sword. For some people, caffeine actually helps relieve migraine symptoms, while for others it's a clear trigger. It really depends on the person.

Here are the main ways coffee can lead to a migraine:

- Dehydration – Caffeine is a diuretic, which can dehydrate you and trigger an attack
- Caffeine withdrawal – If your brain is used to getting caffeine and doesn't get it, increased blood flow in the brain can trigger a migraine
- Overuse – Drinking three or more caffeinated beverages in a day has been linked to triggering attacks
- Rebound headaches – Using caffeine too often to treat migraines can actually cause more headaches over time One MyMigraineTeam member shared, "Caffeine can be a super migraine trigger in many of us. I love coffee drinks and Diet Coke, but it is usually not worth it because I need more caffeine the next day."

If you're unsure how coffee affects you, keeping a food and symptom journal can help spot patterns. If you do drink coffee regularly, staying under 200mg of caffeine daily and keeping your intake consistent can help reduce the risk of withdrawal headaches.

And if you're thinking of cutting back — don't go cold turkey! Gradually reducing by about 25% each week is a much safer approach.

 AI-generated responses are not a substitute for medical advice. These services are not intended to diagnose, treat, or cure any condition or disease. Always ask your doctor about specific health concerns.

Caffeine and Migraine: Does It Hurt or Help?