You should not use this medicine if you have ever had an allergic reaction to ergotamine, belladonna alkaloids, or barbiturates. You should not use if you are pregnant or breastfeeding. You should not take this medicine if you have heart disease, circulation problems, high blood pressure, kidney or liver disease, glaucoma, or porphyria.
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
Make sure your doctor knows if you are taking blood thinners (Coumadin®), antidepressants (such as Elavil®), beta blockers (such as Inderal®), birth control pills, or seizure medicine (such as Dilantin® or Depakene®).
Avoid drinking alcohol.
Avoid taking drugs that can make you sleepy such as cold or allergy medicine, sleeping pills, sedatives, muscle relaxants, tranquilizers, or narcotic pain killers while taking this medicine.
Avoid smoking while you are taking this medicine. Smoking may increase the side effects of this medicine.