Cetirizine blocks histamine H1 receptors and so stops the sneezing, itching and watering that histamine causes in an allergic reaction.
Most side effects are mild and settle as your body adjusts. Tell your doctor if any of them persist or trouble you.
456 brands with the same salt and strength — same form first, then cheapest. Pack size and form can still differ, and the same salt does not suit every patient. Please confirm with our pharmacist before switching.
Showing the 40 cheapest of 456 brands.