May be taken with or without food. Swallow the tablet whole with a glass of water.

Cetirizine is a potent and selective antagonist of peripheral H1-receptors. It inhibits the early phase of the allergic reaction mediated by histamine and also reduces the migration of inflammatory cells and the release of mediators associated with the late phase of allergic reaction.

• •Hypersensitivity to cetirizine, hydroxyzine, or any piperazine derivatives.
• •Severe renal impairment (creatinine clearance less than 10 mL/min).

Store below 30°C in a dry place, away from light and moisture. Keep out of reach of children.

Symptoms may include drowsiness, sedation (in adults) or agitation (in children). Management involves symptomatic and supportive treatment. Gastric lavage may be considered if recent ingestion.

Pregnancy Category B. Use only if clearly needed. Excreted in breast milk, so caution is advised during breastfeeding.