Diphenhydramine HCl 50mg/mL; for IV or IM inj. Asthma and lower respiratory disorders. Glaucoma. Hyperthyroidism. Hypertension. Cardiovascular disease. GI or urinary obstruction. Sodium-restricted ...

Learn how it's used in combination with other medications in emergency department migraine cocktails and home treatments.

Diphenhydramine (Benadryl) 50–100 mg q 4–6 h PO/IM/IV May cause drowsiness (can be used to offset anxiety caused by metoclopramide or phenothiazines) B Doxylamine (Unisom) 12.5 mg twice a day ...