• Basic Info
• Top Questions
• Interactions

Before taking methylergonovine, tell your doctor if you are using any of the following drugs:

• zileuton (Zyflo);

• antibiotics such as erythromycin (Ery-Tab, Erythrocin, E.E.S), clarithromycin (Biaxin), troleandomycin (Tao);

• fluoxetine (Prozac), fluvoxamine (Luvox);

• clotrimazole (Mycelex Troche), fluconazole (Diflucan), ketoconazole (Nizoral), itraconazole (Sporanox), voriconazole (Vfend);

• other ergot medicines such as methysergide (Sansert), ergotamine (Ergostat, Medihaler, Cafergot, Ercaf, Wigraine), or dihydroergotamine mesylate (D.H.E., Migranal Nasal Spray); or

• HIV medicines such as delaviridine (Rescriptor), indinavir (Crixivan), ritonavir (Norvir), saquinavir (Invirase), or nelfinavir (Viracept).

If you are using any of these drugs, you may not be able to use methylergonovine, or you may need dosage adjustments or special tests during treatment.

There may be other drugs not listed that can affect methylergonovine. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have any of these serious side effects:

• increased blood pressure (severe headache, blurred vision);

• seizure (convulsions);

• feeling light-headed, fainting;

• pounding heartbeat;

• chest pain or heavy feeling, pain spreading to the arm or shoulder, nausea, sweating, general ill feeling; or

• hallucinations.

Other less serious side effects are more likely to occur, such as:

• nausea, vomiting, diarrhea;

• leg cramps;

• dizziness;

• ringing in your ears;

• stuffy nose; or

• unpleasant taste in your mouth.

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.