Before taking this medication, tell your doctor or pharmacist if you are allergic to ergotamine or caffeine; or to other ergot alkaloids (such as dihydroergotamine); or if you have any other allergies. This product may contain inactive ingredients (such as tartrazine found in some brands), which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: blood circulation problems (for example, in your legs, arms/hands, or stomach), certain types of headaches (hemiplegic or basilar migraine), heart problems (such as chest pain, irregular heartbeat, previous heart attack), kidney disease, liver disease, personal or family history of a substance use disorder (such as overuse of or addiction to drugs/alcohol), stroke or "mini-stroke" (transient ischemic attack).

Certain conditions can increase your risk for heart problems. Tell your doctor if you have any of these conditions, including: high blood pressure, high cholesterol, diabetes, family history of heart disease, overweight, postmenopausal (women), age more than 40 years (men).

This drug may make you dizzy. Alcohol or marijuana (cannabis) can make you more dizzy. Do not drive, use machinery, or do anything that needs alertness until you can do it safely. Limit alcoholic beverages. Talk to your doctor if you are using marijuana (cannabis). Remember that alcohol may cause headaches.

Using tobacco/nicotine products while using this medication can increase the risk of serious side effects such as heart problems and decreased blood flow to the brain/hands/feet. Do not use tobacco while taking this medication. If you smoke, talk to your doctor about how to stop smoking.

Before having surgery or certain medical procedures (such as a heart stress test or a procedure to restore a normal heart rhythm if you have an unusually fast heartbeat), tell your doctor or dentist that you use this medication and about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

This medication must not be used during pregnancy. It may harm an unborn baby. Discuss the use of reliable forms of birth control (such as condoms, birth control pills) with your doctor. If you become pregnant or think you may be pregnant, tell your doctor right away.

This drug passes into breast milk and may have undesirable effects on a nursing infant. Consult your doctor before breastfeeding.