Phlegm Cough Cleanse San does not usually cause significant discomfort, but if taken for a long time or in large quantities, adverse reactions such as gastrointestinal discomfort, panic, irritability and shortness of breath may occur. Phlegm Cough Cleanse is a kind of proprietary Chinese medicine, the main ingredients of which are Platycodon grandiflorum, licorice, farnesol, icicle, caffeine, schizandra, bitter almond. It has the effect of relieving cough and resolving phlegm, and promoting the passage of orifices to smooth the flow of qi, and is mainly used for bronchitis, pharyngitis and other symptoms caused by coughing and phlegm, shortness of breath and so on. Phlegm Cough Cleanse usually does not cause significant discomfort, but this drug contains caffeine and ice chips, which have a certain degree of toxicity, and if taken for a long time or in large quantities, it may lead to gastrointestinal discomfort, and may also produce dependence, panic, irritability, chest tightness, shortness of breath and other symptoms. In addition, during the medication period, it is better not to consume spicy, cold and greasy food, and not to take Chinese medicine with tonic effect at the same time, so as not to affect the therapeutic effect of the drug. Pregnant women should be prohibited from using it. If you need to use the drug, please go to the hospital, use under the guidance of the doctor, strictly abide by the doctor’s instructions, do not increase the dose of the drug without authorization, in order to avoid serious side effects. Avoid taking it for a long period of time. Patients whose symptoms are not relieved after 3 days of medication should go to the hospital for follow-up.