I now have 3 cats with severe diarrhea, vomiting and lethargy. After several hundred dollars treating them for parasites and a trip to the vet I realized this started after the food packaging changed.

I raised my two barn cats on Kirkland cat food. Never had any issues. Last two bags have been causing stinky diarrhea and vomiting. Went to vet and checked everything out, no problems found.

A well-planned transition is essential when switching cat foods, as abrupt dietary changes can disrupt their sensitive digestive systems. This can lead to gastrointestinal upset, including vomiting ...