Cafergot

Ergotamine is for the treatment of migraines and severe headache.

Ergotamine is known as an ergot alkaloid. Ergotamine works by narrowing the blood vessels around the brain. Ergotamine also affects blood flow patterns which are associated with certain types of headaches. Ergotamine only treats a headache that has already begun. Ergotamine will not prevent migraine headaches or reduce the number of attacks.

Some of the potential side effects of Ergotamine can include the symptoms below;

Nausea,
Vomiting,
Muscle pain

Caffeine is used in the treatment of migraine causing severe headaches.

Caffeine is a central nervous system stimulant. Caffeine works by stimulating the brain. Caffeine is found naturally in foods and beverages such as coffee, tea, colas, energy and chocolate. Botanical sources of caffeine include kola nuts, guarana, and yerba mate. Caffeine is used in the treatment of migraines causing severe headaches. Caffeine is also used to restore mental alertness or wakefulness during fatigue or drowsiness.

Some of the potential side effects of Caffeine can include the symptoms below;

Agitation,
Black, tarry stools,
Blood in the stools or urine,
Bruising,
Burning feeling or tenderness in the stomach,
Chills,
Confusion,
Coughing or vomiting blood,
Decreased urine output,
Depression