Problems with the pyloric sphincter or esophagal sphincter are rather common in cats. One of my cats has it, as well as one of my dad's cat. The fact that the food is coming up whole is one of the major symptoms of this problem. The vet took and xray and pointed out the food sitting in the stomach. When the cat eats too fast, the sphincter can't keep up in passing the food to the stomach or intestine, and so the cat vomits the food back up. The residual problem is that the cat is hungry again, and stuff their face and does it all over again...

The vet suggested I keep her on wet food, or very small kibble so it would pass easier through the stomach. I keep a bowl of Purina One Sensitive Stomach or Weight Management, both which are very small kibble and also are mostly turkey so she feels more full and only eats a little at a time.

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