Over the past two weeks, my cat has experienced episodes of diarrhea. The first time he had it,it was followed by vomiting. we went to vet and they ruled out any viruses. We started him on a bland diet and his stool improved. However,after a few days he had diarrhea again. His mood was good and he didn’t lose appetite. His stool went back to normal after two days. Today he again had diarrhea, but no vomiting or any other symptoms. He is on a bland diet. Any advice/idea of the cause? Thank you!