In most cases, you can treat the stomach flu at home. Here are some tips: Drink plenty of fluids. This will help prevent dehydration, a common complication of the stomach flu. Drink water, clear broths, sports drinks, or Pedialyte. Get plenty of rest. Your body needs time to heal, so getting plenty of rest is essential. Eat bland foods. These foods are easy on your stomach and help settle your digestive system. Some examples include toast, crackers, rice, and bananas. Avoid caffeine and alcohol. These substances can irritate your stomach and make your symptoms worse. See your doctor if your symptoms are severe or do not improve after 2-3 days.