For the majority of treatment if this is not so much a feast as the water does not contain any built up mucus and blood. There is no fever, but many have been lost, if it is to get extra salt water may be in the form of a drink or a blood vessel, but violence.
For the treatment of most, if not more. To watery stools, no fever, no clear, but if it is to get extra salt. May be in the form of drinking. Or intravenously, depending on the severity.