A very small number of patients may experience gastrointestinal reactions such as abdominal pain, diarrhea, nausea, loss of appetite, acid reflux or indigestion, vomiting, etc. Allergic reactions to the drug may also occur. The effect is to dissipate wind and heat, reduce swelling and pain, and clear the throat. So 1 effect. The harm of pharyngeal Lixin oral drops, for commonly used drugs generally do not talk about the harm, are talking about the adverse reactions or side effects of drugs. It is relatively safe to be used in regular doses, for short periods of time or under the guidance of a doctor. However, it should be noted that if any serious and intolerable adverse reactions occur after using the medication, you must stop the medication and go to the hospital in time. If the symptoms are not relieved or worsened after three days of taking the drug, it is also necessary to stop the drug and go to the hospital.