This is another sign of disease not a disease of itself. Lots of things can cause vomiting.

We think here that initially the best thing to do with any vomiting patient is to cease giving anything by mouth. Even water should be withheld initially to allow the vomiting to stop on its own which it often will. However if vomiting does not cease within a few hours the patient should be examined and steps should be taken to diagnose the cause of the vomiting and then treat it.