There is no clinical information on the side effects of Stop Coughing and Sweeping Phlegm Pill, but those who are allergic to the ingredients contained in this product may show allergic reactions. Cough suppressing and phlegm sweeping pill is a kind of Chinese patent medicine, which is composed of Fagangxia, Fenghuangdonghua, Chenpi, Citrus aurantium dulcis, Chuanbeimu, Bai Guo, Sangbai Pei, Perilla frutescens, Ephedra, Lily of the Valley, Psidium guajava and so on, and those who are allergic to the above medicines may experience side effects such as rash, edema and itching after taking the medicines. Cough suppressing and phlegm sweeping pill has the efficacy of suppressing cough, expelling phlegm, promoting the lungs and calming asthma, and is suitable for patients with phlegm and cough, asthma, chest tightness and so on. The adverse reactions, contraindications and precautions of taking Cough Suppressing and Sweeping Phlegm Pill are not clear at the moment. Cough suppressing and sweeping phlegm pills should be used under the guidance of a Chinese medicine doctor, and should not be purchased and used arbitrarily.