Tablet: Each film-coated tablet contains: Cetirizine Hydrochloride 10 mg.
Oral solution: Each mL contains Cetirizine Dihydrochloride 1 mg.
Oral drops: Each mL contains: Cetirizine Dihydrochloride 2.5 mg.
Cetirizine hydrochloride is a piperazine derivative and a metabolite of hydroxyzine. It competes reversibly with histamine to block the histamine (H1) receptor sites. Cetirizine hydrochloride is considered a long-acting non-sedating antihistamine and has some mast-cell stabilizing activity.