Propranolol + Dihydroergotamine Mesylate Interaction
Unknowninteraction on record
Description
(See CONTRAINDICATIONS .) Beta Blockers Although the results of a clinical study did not indicate a safety problem associated with the administration of Dihydroergotamine Mesylate Injection to subjects already receiving propranolol, there have been reports that propranolol may potentiate the vasoconstrictive action of ergotamine by blocking the vasodilating property of epinephrine.
Source: FDA drug label - dihydroergotamine mesylate