Level 1: Types and effects of infant cold medicine. In recent years, as people pay more attention to health, infant cold medicine has attracted more and more attention from parents. Common baby cold medicines on the market are mainly divided into fever-reducing, cough-relieving, phlegm-reducing, and anti-allergic types. Among them, antipyretics can help lower the body temperature and relieve the baby\’s discomfort; antitussive drugs have an antitussive effect and can relieve the baby\’s dry cough or phlegm; phlegm-reducing drugs can help expel phlegm in the respiratory tract and relieve the baby\’s difficulty breathing, etc. Symptoms; anti-allergy medicines can reduce allergic reactions caused by colds. Level 2: Required for use of infant cold medicine