If you have a sore throat that hurts even when swallowing saliva, here are some things you can do. Drink plenty of warm water to soothe the throat. Gargle with warm salt water several times a day. Use lozenges or throat sprays to relieve pain. Avoid smoking and exposure to secondhand smoke. Stay away from irritants like dust and pollution. Rest your voice as much as possible. Eat soft and easy-to-swallow foods. If the pain persists or is accompanied by fever, difficulty breathing, or other severe symptoms, see a doctor. The doctor may prescribe medications or recommend further tests to determine the cause of the sore throat.