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Compare Imitrex vs. Cafergot

Head-to-head comparisons of medication uses, side effects, warnings, and more.

Key takeaways

Sumatriptan (Imitrex) and ergotamine/caffeine (Cafergot, Migergot) are both medications used to treat migraines, but they have some important differences. Sumatriptan is a triptan, while ergotamine/caffeine is an ergot derivative combined with caffeine. Sumatriptan is available as an oral tablet and is typically taken as a single dose as soon as you feel the headache, with the option to take a second dose after 2 hours if needed. Ergotamine/caffeine is available as an oral tablet and a rectal suppository and is also taken as soon as you feel a headache. Both medications have specific dosing limits per 24-hour period and per week. Sumatriptan is available as a lower-cost generic, while ergotamine/caffeine is only availabele as a generic. Common side effects of sumatriptan include tingling or numbness, while ergotamine/caffeine can cause nausea and vomiting. Both medications can interact with other drugs. Sumatriptan should not be taken with other triptans or ergot derivatives, and ergotamine/caffeine should not be taken with certain antibiotics or protease inhibitors.

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