Before taking this medication, tell your doctor or pharmacist if you are allergic to ergotamine; or to other ergot alkaloids (such as dihydroergotamine); or if you have any other allergies. This product may contain inactive ingredients, 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 disease (such as peripheral vascular disease such as arteriosclerosis, thrombophlebitis, Raynaud's disease), high blood pressure, nutrient deficiency (malnutrition), heart/blood vessel disease (such as coronary artery disease, stroke, recent heart attack), liver disease, kidney disease, severe infection, severe itching, smoking/tobacco use, diabetes.

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 be a cause of headaches.

Using tobacco/nicotine products while using this medication can increase the risk of serious side effects such as heart problems (including chest pain, fast/slow/irregular heartbeat) 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, tell your doctor or dentist 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 may pass into breast milk and could have undesirable effects on a nursing infant. Breastfeeding is not recommended while using this drug. Consult your doctor before breastfeeding.