does caffeine help headaches
Caffeine can be a headache trigger or headache inhibitor. Caffeine can be found in beverages, chocolate and even in some popular over-the-counter and prescription pain relievers.Before a headache or migraine, blood vessels tend to enlarge.lthough most headache sufferers can consume up to 200 mg. per day, the NHF advises patients with frequent headaches to avoid daily use. The average American consumes about 200-300 mg of caffeine a day (or the equivalent of 2-3 cups of drip coffee).