Caffeine?is a stimulant that causes narrowing of blood vessels (vasoconstriction).
Ergotamine?is in a group of drugs called ergot alkaloids. It works by narrowing the blood vessels around the brain. Ergotamine also affects blood flow patterns that are associated with certain types of headaches.
Caffeine and ergotamine is a combination medicine used to treat or prevent a?migraine?type of?headache.
This medication will only treat a headache that has already begun. It will not prevent migraine headaches or reduce the number of attacks.
Caffeine and ergotamine should not be used to treat common tension headaches or any headache that seems to be different from your usual migraine headaches.