Diphenhydramine HCl 12.5mg/5mL ... Sodium-restricted diet. Children. Pregnancy (Cat.B in 3 rd trimester): not recommended. Nursing mothers. Drowsiness, dizziness, anticholinergic effects ...

Medically reviewed by Daniel Combs, MD Benadryl (diphenhydramine) is an over-the-counter (OTC) antihistamine commonly used to ...

Benadryl is a human medication that can be used in dogs to relieve allergy symptoms. But you have to be sure you're giving the right dose for your dog's size. (Photo Credit: E+/Getty Images ...