Dihydroergotamine Mesylate Nasal Spray The solution used in dihydroergotamine mesylate nasal spray (4 mg/mL) is intended for intranasal use and must not be injected. Rx Only
Dihydroergotamine Mesylate Nasal Spray The solution used in dihydroergotamine mesylate nasal spray (4 mg/mL) is intended for intranasal use and must not be injected. Rx Only