Sore throat and dry cough can be caused by laryngitis, bronchitis and reflux pharyngitis. 1. Laryngitis: If you suffer from laryngitis, due to the stimulation of inflammatory factors, you are prone to sore throat and dry cough, which is usually accompanied by symptoms such as itchy throat as well as foreign body sensation and burning sensation. 2. Bronchitis: If you suffer from bronchitis, coughing up bronchial secretions through the throat can easily lead to inflammation of the throat, resulting in a sore throat and dry cough. 3. Reflux pharyngitis: stomach contents flow back into the throat, corroding the mucous membrane of the throat and causing inflammatory changes, resulting in a sore throat and dry cough symptoms. Sore throat and dry cough may also be caused by other reasons, such as often eat spicy and stimulating food or allergies. Specifically need to go to the regular hospital to improve the relevant examination, a clear diagnosis.