You should not receive this medicine if you have had an allergic reaction to methylergonovine (Methergine®), or if you have high blood pressure. You should not receive this medicine if you are pregnant or if you have toxemia (high blood pressure during pregnancy).
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 also using other ergot medicines, such as ergotamine (Ergomar®, Ergostat®), bromocriptine (Parlodel®), Hydergine®, Sansert®, or Cafergot®. Make sure your doctor knows if you are also using other medicines that shrink blood vessels such as ephedrine, pseudoephedrine (Sudafed®), or phenylephrine (Neo-Synephrine®).
Make sure your doctor knows if you are pregnant or breast feeding, or if you have sepsis (severe infection). Make sure your doctor knows if you have heart disease, or if you have kidney or liver problems.