You can buy her saline or rice saline from the nearest shop and mix it with water as per the instructions. Drink every time after defecation. Try to drink saline regularly. Take medicine with doctor's advice. This will eliminate the lack of water in the body. Drink plenty of water , juices and other beverages. However, do not drink caffeine , color tea and milk tea. This can lead to deterioration of your physical condition. Drink homemade fruit juice as juice. Drinking fruit juice will not cause water shortage problem. If thin stools are reduced, start eating some solid and fibrous foods. This type of food will help in your physical development. Eat moderately nutritious food. Wash your hands thoroughly before meals and after defecation. Raw bananas help to normalize the bowels. Eat raw banana mash , curry etc. You can eat a variety of foods made with raw bananas. Avoid dairy , fatty , fibrous and processed foods for a few days. These can cause you problems. So do not eat extra fatty foods. Eat normal spicy foods. If there is no improvement within a few days, consult a specialist.