If you are:
Absolute Contraindication: MAY INHIBIT PROLACTIN; INFANTS EXPOSED TO ERGOTAMINE HAD N/V AND CONVULSIONS
An adult over 60:
management or monitoring precaution: More likely to experience complications such as induced hypothermia and ischemia.
Giving Dihydroergotamine MESYLATE Ampul to a child under 12:
management or monitoring precaution: Safety and efficacy not established in children.