Cough and sore throat may be caused by acute pharyngitis, chronic pharyngitis and allergic pharyngitis. It is recommended to go to the hospital in time, improve the examination and diagnosis, and then follow the doctor’s instructions for treatment. 1. Acute pharyngitis: after the cold, the body’s resistance is relatively poor, easy to be attacked by germs, thus inducing acute inflammation of the throat, resulting in sore throat and cough. 2. Chronic laryngitis: mostly related to bad habits, such as long-term smoking and drinking, eating irritating food, or long-term exposure to irritating odors, etc., it is relatively easy to have a sore throat, cough phenomenon. 3. Allergic pharyngitis: the patient may be allergic to a certain substance, after contact with the allergen, will trigger a sore throat, cough and other allergic reactions. Cough and sore throat are not only seen in the above mentioned diseases. If you have a cough or sore throat, you should consult a doctor in a timely manner, and actively carry out the relevant treatment under the guidance of the doctor.