PRECAUTIONS: Before using dihydroergotamine, tell your doctor or pharmacist if you are allergic to it; or to other ergot alkaloids (such as ergotamine, methysergide, bromocriptine); 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: heart disease (such as chest pain/angina, heart attack), stroke, high blood pressure, blood circulation disease (such as peripheral arterial disease, Raynaud's syndrome), a certain severe blood infection (sepsis), bowel disease (such as ischemic bowel syndrome), kidney disease, liver disease, headaches with unusual symptoms or certain types of headache (hemiplegic/basilar), recent blood vessel surgery, nasal problems (such as chronic congestion, nasal allergies).Tell your doctor if you have the following risk factors for heart disease: high blood pressure, high blood cholesterol, obesity, diabetes, smoking/tobacco use, family history of heart disease.If you are at high risk for heart disease, your doctor may want to check your heart before prescribing dihydroergotamine and give your first dose in the office.This drug may make you dizzy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.Using tobacco/nicotine products while using this medication can increase the risk of serious side effects such as heart problems (such as chest pain, fast/slow/irregular heartbeat) and decreased blood supply 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. If you become pregnant or think you may be pregnant, tell your doctor immediately.This medication passes into breast milk and may harm a nursing infant. Do not breast-feed while using this drug.
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