Cough caused by chronic pharyngitis can be treated with different medications depending on the type of its chronic pharyngitis. 1. Chronic simple pharyngitis: commonly used compound borax solution, furacilin solution, compound chlorhexidine gargle solution and other gargles. Can also take iodine throat tablets, peppermint throat tablets and other tablets. 2. Chronic hypertrophic pharyngitis: drug treatment with chronic simple pharyngitis. Laser, low temperature plasma and other ways of treatment can also be chosen, if the lymphoid follicle hyperplasia is extensive, the treatment should be carried out in stages. 3. Atrophic pharyngitis and dry pharyngitis: use 2% iodized glycerin to smear the pharynx, which can improve local blood circulation and promote gland secretion. Taking vitamin A, B2, C, E, can promote the growth of mucosal epithelium. Cough can also be caused by other diseases, such as gastroesophageal reflux disease, allergic cough, etc. If the patient has repeated coughing or worsening symptoms, it is recommended to consult a doctor in time to clarify the cause of the disease and follow the doctor’s instructions for treatment.