The pink elliptical / oval pill with the imprint 44 329 is not Xanax ( Alprazolam) but has been identified as containing Diphenhydramine Hydrochloride 25 mg supplied by Major Pharmaceuticals Inc. Diphenhydramine is used in the treatment of allergic reactions; allergic rhinitis; insomnia; cough; cold symptoms and belongs to the drug classes anticholinergic antiemetics, anticholinergic […]