Zyrtec is an antihistamine medication containing 10mg of Cetirizine dihydrochloride per tablet. This pack contains 20 film-coated tablets manufactured by GSK. It is used to relieve allergy symptoms such as sneezing, runny nose, and itchy eyes. Zyrtec comes in film-coated tablet form for easy administration. Each tablet contains 10mg of the active ingredient Cetirizine dihydrochloride. The medication is packaged in a white box with blue branding and decorative cloud/grass imagery. This is a prescription medication that should be taken under medical supervision. Store in a cool, dry place away from direct sunlight.