Cetirizine (Cetrizan) Syrup is a fast-acting antihistamine formulated to relieve symptoms of allergic reactions, including sneezing, itching, watery eyes, and runny nose. It works by blocking histamine, a substance in the body that triggers allergy symptoms. This non-drowsy formula provides 24-hour relief, making it ideal for both adults and children. The pleasant cherry-flavored syrup is easy to administer and suitable for those with sensitive stomachs. Cetirizine is widely trusted for its efficacy and safety in managing seasonal and perennial allergies.