Our 16 week old kitten suffered for 5 weeks from bloody, mucousy diarrhea and bowel incontinence and threw up daily after switching to Purina Pro Plan. We spent hundreds on diagnostics ...

As the name suggests, the diet involves eating nothing but tinned sardines (in water or oil) for 72 hoursCredit: Getty It looks like cat food ... creeping up from my stomach in burp form.