The ultimate goal of treating gastroenteritis is to support you while your body fixes the problem. Your body’s very good at fixing the problem all by itself. However, ensuring that you stay hydrated, that you return to a regular diet, and that we use anti-nausea medications to make you feel better and to help you eat are going to get you there as fast as possible. Be sure to wash your hands as much as possible to avoid spreading it to other people. Because as we all know, it can be very easy to spread.