The normal dose of Benadryl varies somewhat depending on what it is being used for: The normal dose for allergies is 1–2 mg per pound of body weight up to every 8 hours, although there are ...

These include sleep aids and allergy drugs that contain antihistamines, such as: diphenhydramine (Benadryl) doxylamine succinate (Nyquil) While diphenhydramine and doxylamine succinate are ...

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 ...

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 ...