An effective and easy home remedy for cough and sore throat is having a bowl of chicken soup (if non-vegetarian) or tomato soup with crushed black pepper added to it while preparation. Black pepper helps to control any infection in the throat and hot soup especially chicken soup relieves congestion and thins down mucus. You can try this remedy for relief. Keep having soup till you get relieved from throat pain and cough. There is another option. If you can t get soup, then take milk and boil it with added crushed pepper and sip it slowly as it will be very spicy due to pepper added during boiling. It will also be effective in relieving you of any throat infection. Hope this will help.