二氢霉素（偏主）

You should not use dihydroergotamine if you are allergic to it, or if you have:

• heart disease, chest pain (angina), coronary artery disease, a history of a heart attack or stroke;
• circulation problems such as peripheral vascular disease;
• 不受控制的高血压;
• sepsis (a severe reaction to an infection).
• severe liver or kidney disease;
• 如果您对二氢霉素或其他麦角药（ergonovine，ergotamine，甲基工业）过敏;要么
• if you have recently had heart or blood vessel surgery (such as bypass surgery).

Dihydroergotamine can affect blood circulation to your uterus.不要use if you are pregnant.Ask your doctor for a safer medicine to use during pregnancy, since having migraine headaches may cause complications in the mother and the baby.

不要breastfeed.

Some drugs should not be used with dihydroergotamine.Your treatment plan may change if you also use:

• 一种抗生素，如克拉霉素或红霉素;
• 紫黑唑或酮康唑如抗真菌药;要么
• antiviral medicine for HIV or hepatitis C.

Tell your doctor if you have ever had:

• 手臂，手，腿或脚的血液循环问题;
• 胸痛，呼吸急促;
• liver or kidney disease;
• 冠状动脉疾病的风险因素（高血压，高胆固醇，糖尿病，绝经，吸烟，冠状动脉疾病的家族史，超重，超过40人）;