डाइहाइड्रोएर्गोटामिन और मिथाइलएर्गोमेट्रिन का इंटरैक्शन

Rarely, prolonged daily use of other ergot alkaloid drugs has been associated with cardiac valvular fibrosis.

Other Vasospasm-Related Events Dihydroergotamine Mesylate Injection, USP, like other ergot alkaloids, may cause vasospastic reactions other than coronary artery vasospasm.

Caution should be exercised when methylergonovine maleate is used concurrently with other vasoconstrictors, ergot alkaloids, or prostaglandins.

…CYP 3A4 Inhibitors (e.g., Macrolide Antibiotics and Protease Inhibitors) There have been rare reports of serious adverse events in connection with the coadministration of certain ergot alkaloid drugs (e.g., dihydroergotamine and ergotamine) and potent CYP 3A4 inhibitors, resulting in vasospasm leading to cerebral ischemia and/or ischemia of the extremities.