Chlorpheniramine maleate tablets are antipruritic drugs that can treat itchy skin caused by allergic skin diseases, such as hives, atopic dermatitis, eczema, etc. They can also relieve symptoms such as nasal congestion, runny nose, sneezing and itchy eyes caused by allergic rhinitis. Chlorpheniramine maleate tablets belong to the first generation of antihistamines, also known as the first generation of anti-allergy drugs. It may cause adverse reactions such as dizziness, weakness and drowsiness when used, so it is recommended to use it at night before going to bed. In addition, it is best not to drive, work at height or engage in delicate work while taking chlorpheniramine maleate, and it is not recommended to use other drugs with central inhibitory effects at the same time.