A member asked:

How can caffeine alleviate headaches?

A doctor has provided 1 answer
Dr. Donald Alves answered

Specializes in Emergency Medicine

Withdrawl: Persons who drink a lot of caffeine can get headaches from withdrawl if not re-dosing regularly, so one way it helps w/headache is to treat the withdrawl symptom. Can act in contributory ways as well w/less specific mechanism, but withdrawl is big actor.

Answered 4/13/2013

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