Certain medications taken with this product could result in serious, even fatal, drug interactions. Do not take MAO inhibitors (e.g., furazolidone, linezolid, phenelzine, procarbazine, selegiline, tranylcypromine) for at least 2 weeks before or after taking this drug. Also, do not take other "triptan" migraine drugs (e.g., zolmitriptan, sumatriptan) or ergot-type drugs (e.g., dihydroergotamine, ergotamine, methysergide) within 24 hours of taking this medicine. Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription products you may use, especially of: cimetidine, verapamil, "serotonin-type" medications (e.g., SSRI antidepressants such as fluoxetine, sertraline), azole antifungals (e.g., itraconazole, ketoconazole), macrolide antibiotics (e.g., clarithromycin, erythromycin), protease inhibitors (e.g., nelfinavir, ritonavir), sibutramine. Do not start or stop any medicine without doctor or pharmacist approval.