Each 5 mL of Benadryl Chesty Cough & Nasal Congestion contains 100 mg of Guaifenesin (an expectorant) and 30 mg of pseudoephedrine hydrochloride as the active ingredients.
Allergy medications containing antihistamines such as Benadryl, Zyrtec, Claritin, Periactin and Allegra may be taken orally to prevent and relieve some of the hives (depending on the severity of the allergy).
He was the inventor of the popular antihistamine diphenhydramine (Benadryl), which he first made during a search for synthetic alternatives to scopolamine.
Benadryl |