Cetirizine 10 mg is an antihistamine commonly used to relieve allergy symptoms such as sneezing, runny nose, and itchy eyes. Indications: Relief of symptoms associated with seasonal allergic rhinitis (hay fever) Chronic urticaria (hives) to alleviate itching and rash Perennial allergic rhinitis Other allergic conditions like conjunctivitis Off-Label Uses: Atopic dermatitis to manage pruritus Insect bite reactions Adjunct therapy in anaphylaxis Pregnancy Safety: Cetirizine is classified as Category B by the FDA. Animal studies have not shown a risk to the fetus, but there are no adequate and well-controlled studies in pregnant women. It should be used during pregnancy only if clearly needed and prescribed by a healthcare professional. Dosage and Administration: Adults and Children over 6 years: 10 mg once daily, with or without food. Elderly or those with renal/hepatic impairment: A lower dose (5 mg daily) may be recommended. Children aged 2-6 years: 5 mg once daily or 2.5 mg twice daily.