Use of Ergotamine is contraindicated:

Ergotamine is a vasoconstrictive agent. The Vasoconstriction induced by Ergotomine is usually severe and prolonged and is very difficult to reverse. It is most commonly used for relieving migraine headaches and contraindicated in Ischaemic Hea Disease. Ref: KDT, 6th Edition, Page 168; Basic and Clinical Pharmacology By Beram Katzung, 10th Edition, Page 274