Long-term use of Compound Licorice Tablet may cause nausea, vomiting, dry mouth, abdominal pain, diarrhea, increased blood pressure, flushing and other discomforts. Compound Licorice Tablet is a proprietary Chinese medicine that can suppress cough and dispel phlegm. Nausea, vomiting, rash, itching, excessive sweating, dizziness, headache, drowsiness, insomnia, anorexia, dysphagia, allergic-like reaction, chills, fever, edema, chest tightness, dyspnea, worsening of cough, asthma, elevated blood pressure, flushing, palpitations (rapid heartbeat often accompanied by palpitations), tachycardia, urinary frequency, difficulty in urinating, hyperkalemia and thirst may occur after taking Compound Licorice Tablet. Patients are advised to use the medication under the guidance of a doctor.