The pain on the right side of the throat may be caused by oral ulcers, laryngitis, pharyngitis and other diseases, and need to take medication for the cause. 1. Mouth ulcers: pain in the right side of the throat as soon as you swallow a mouthful of pain may be caused by mouth ulcers, the patient can be under the guidance of a doctor to use lidocaine gel, benzylamine spray and other painkillers, or oral vitamin C, vitamin B vitamins and other medicines. 2. laryngitis: pain in the right side of the throat as soon as swallowing pain may also be due to laryngitis, patients need to take oral antibiotic drugs under the guidance of a doctor, such as amoxicillin, ceftriaxone sodium, and so on. 3. Isthmus: The pain on the right side of the throat is also considered to be caused by Isthmus. Bacterial infections can be caused by oral ceftriaxone sodium, amoxicillin and other antibiotic drugs under the guidance of the doctor. There are many reasons for the pain on the right side of the throat, and it is recommended that patients go to the hospital in time, so as to clarify the cause of the disease. In daily life, drink appropriate water to avoid dryness of sore throat.