SPL Set ID: b81397b0-910d-4eb4-8fee-a9a3c9d94d63
1 drug(s) with this SPL Set ID
TRUDHESA (dihydroergotamine mesylate) nasal spray is a single-dose, drug-device combination product containing a dihydroergotamine mesylate drug constituent and a nasal spray device constituent. The chemical name for dihydroergotamine mesylate is ergotaman-3', 6', 18-trione, 9,10-dihydro-12'-hydroxy-2'-methyl-5'- (phenylmethyl)-, (5'α)-, monomethanesulfonate. Its molecular weight is 679.78, and its molecular formula is C 33 H 37 N 5 O 5 ∙CH 4 O 3 S. The chemical structure is: Dihydroergotamine mesylate The drug constituent is a dihydroergotamine mesylate solution. Each milliliter (mL) of solution contains dihydroergotamine mesylate 4.0 mg (equivalent to 3.43 mg dihydroergotamine), and the following inactive ingredients: caffeine (10.0 mg), carbon dioxide (q.s.), dextrose (50.0 mg), and water (q.s. to 1.0 mL). TRUDHESA nasal spray, after assembly and priming, delivers 0.725 mg dihydroergotamine mesylate per spray. A total dose of 1.45 mg of dihydroergotamine mesylate is delivered in 2 sprays. The nasal spray device contains hydrofluoroalkane-134a (HFA) propellant. Chemical Structure