What is Cetirizine Hydrochloride and Pseudoephedrine Hydrochloride Pill Cetirizine hydrochloride and Pseudoephedrine hydrochloride is a combination medication made up of an antihistamine extended-release tablet containing Cetirizine HCl 5 mg, and Pseudoephedrine HCl 120 mg. It is used as a nasal decongestant, for temporary relief of symptoms due to hay fever or other upper respiratory allergies, […]