Caffeine and migraines

Caffeine is complicated in migraine. It can be an ingredient in some acute headache medicines, but too much caffeine or sudden caffeine withdrawal can worsen headache patterns for some people.

The most useful question is not "is caffeine good or bad?" It is "is my caffeine pattern consistent, and does changing it line up with attacks?"

What to track

Record daily caffeine amount, timing, skipped caffeine, acute medications that contain caffeine, sleep, and attack timing. Look for repeated patterns, not one-off coincidences.

Caffeine withdrawal

If you usually have caffeine every morning, a sudden missed dose can trigger headache for some people. Weekend schedule changes can matter too: sleeping late, delaying coffee, skipping breakfast, and dehydration can all stack together.

Caffeine as part of medication

Some over-the-counter combination medicines include caffeine. That can make the total caffeine amount higher than you realize, especially if you also drink coffee, tea, energy drinks, or soda.

Be careful with combination medicines

Some pain relievers contain caffeine plus other ingredients. Frequent use can contribute to medication-overuse headache, so ask your clinician how many days per month are safe for your exact medicine.

How to change caffeine more safely

If you suspect caffeine is a trigger, avoid sudden large changes unless a clinician tells you otherwise. Track first, then consider a gradual change. People who are pregnant, have heart rhythm concerns, anxiety, insomnia, high blood pressure, or medication interactions should ask a clinician for specific advice.

Sources

• American Migraine Foundation: Diet and migraine
• American Migraine Foundation: Medication overuse headache
• MedlinePlus: Migraine