Pharyngitis with phlegm coughing up and swallowing is mainly treated with drugs such as Ambroxol Hydrochloride Oral Solution. If the phlegm produced by pharyngitis is thick and sticky, it may adhere to the throat area, making it difficult to cough up or swallow. At this time, phlegm transforming medications such as Ambroxol Hydrochloride Oral Solution, Carboxymetholestyramine, and Acetylcysteine can be used to treat the phlegm, diluting it so that it can be easily coughed up. Pharyngitis may also cause a foreign body sensation in the throat, i.e., the sensation of phlegm, but the actual absence of phlegm. At this time, you can use cephalosporin, penicillin and other antibiotics to actively treat pharyngitis, with the improvement of pharyngitis, foreign body sensation in the throat can gradually disappear. All of the above drugs should be used under the guidance of a doctor. Pharyngitis phlegm coughing up phlegm swallowing should go to the hospital in a timely manner, to identify the causes and targeted treatment.