I would strongly agree. Withholding food and water is usually the first thing I do for about 24 hours.  But that is very dependent on other signs that my pet may be showing.  If they are acting normally, I will withhold and then start with very small bland meals of rice and boiled chicken to see if they hold it down and resume access to water.  I usually also start them on famotidine, but i would check with your vet about that. If they are pale, shaky, weak, any other things that are strange… they need to go be seen… Read more »