Cetirizine Hydrochloride Tablets are used for the treatment of allergic skin diseases such as urticaria, dermatitis, eczema, and various pruritic skin diseases. Cetirizine Hydrochloride Tablets can cause drowsiness, so it is recommended to take them at night. For people working at height, they should strictly follow the medical advice and are prohibited to go on duty while taking the drug. Cetirizine hydrochloride tablets are representative of a new generation of over-allergic drugs, which are H1 receptor antagonists with anti-allergic effects. At the same time, it has an inhibitory effect on the release of neuropeptide inflammatory mediators and has an anti-inflammatory effect.