Paracetamol, or chlorpheniramine maleate tablets, is usually given as a 7-day course of treatment. Chlorpheniramine maleate tablets have a long-lasting antihistamine effect, can improve capillary dilatation due to allergic reactions and reduce capillary permeability. Clinically, it is commonly used in the treatment of urticaria, eczema, dermatitis and other skin allergies, as well as the treatment of allergic rhinitis, drug and food allergies. Its specific use time is based on their own symptoms and conditions to determine the course of medication. Chlorpheniramine maleate tablets need to be used under the guidance of medical professionals, the main adverse reactions include drowsiness, thirst, polyuria, sore throat, drowsiness, etc., during the period of time you should not drive a vehicle, engage in aerial and mechanical work, operation of precision instruments, newborns, preterm infants should not be used, and pregnant women and breastfeeding women should not be used with caution.