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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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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