Hi, thanks for post, well clearly you have a gastroenteritis, and the symptoms you are feeling may correspond to acute dehydration because through diarrhea many electrolytes are lost , and this loss symptoms include weakness , abdominal pain, sweating , chills and others. treatment is take rehydration salts as soon as possible , since dehydration is very dangerous, you must go to your doctor for receive treatment, because you need to hydrate parenterally , he will send relevant antibiotics as create , and send some tests ( electolytes , gas analysis ), good luck