The active ingredient, cetirizine hydrochloride, blocks the effects ... It contains two active ingredients: loratadine (a second-generation antihistamine) and pseudoephedrine sulfate (a decongestant).

ACTIVE INGREDIENT: The active ingredient in Amazon Basic Care All Day Allergy is cetirizine hydrochloride, an antihistamine approved for the treatment of both indoor and outdoor allergy symptoms ...

Nonsedating and low-sedation antihistamines in use at the HMOs at the time of the P&T committee reviews included loratadine, fexofenadine, cetirizine, and astemizole. The trends in the use of ...