Drink plenty of water,eat soft foods like cooked cereal, mashed potatoes, soft fruits, yogurt and soft-cooked eggs...give adequate rest to your body..Avoid spicy foods or acidic foods. Gargle with warm salt water. gargling several times a day can help relieve throat pain....Consult nearest ent specialist they will do the needful.

This is called as postnasal drip and is commonest cause of irritating cough. The underlying cause in many patients is allergic rhinitis. You need to visit nearby family doctor or ENT specialist so that detailed history and physical examination can be done.