Phlegm in the throat is seen in chronic laryngitis, tonsillitis, acute pharyngitis and other diseases, you can take acetylcysteine and other phlegm drugs, at the same time, should be specific to the cause of the disease drug therapy. 1. Chronic laryngitis: long-term tobacco, alcohol and other stimuli may lead to chronic laryngitis, should be strictly abstained from smoking and alcohol, can contain watermelon cream, iodine laryngeal tablets, etc., to play the role of swelling. If sputum discharge difficulties can be oral acetylcysteine, the main role is to dilute sputum, promote sputum discharge. 2. Tonsillitis: acute attack can take amoxicillin and other penicillin drugs, timely control of inflammation. In the chronic stage, saline gargling can be used, and phlegm thick can take the above phlegm drugs. 3. Acute pharyngitis: viral infections can lead to acute pharyngitis, oral oseltamivir and other antiviral drugs to control local inflammation and reduce secretion. In addition, it can be combined with the above phlegmolytic drugs to promote phlegm discharge. If you have symptoms of phlegm in the throat, you should consult a doctor in time to find out the cause of the disease and actively treat it under the guidance of the doctor.