Take plenty of water , ORS and do tepid sponging .

Vomiting? When did motions start?any outside food? Bloody?watery?with mucus? Need details.

Kindly have ORS regularly to control the loose motion, have an antipyretic and antacid to control the fever and not worsen the stomach. If he vomits and if he has a high grade fever even after being properly hydrated he may require an antibiotic. These following steps will help in this condition: - Don't skip meals, have a liquid diet containing soups and progressively increase to solid diet as per how you can tolerate. - Have food rich in vitamin C such as oranges to help build immunity. - Drink plenty of fluids, drink 3 liters of water per day - Maintain good personal hygiene(Wash you hands regularly) - Rest plenty, body heals while at rest If the condition persists or worsens visit a ER at the earliest