The company expanded the recall after the Michigan Department of Agriculture and the Georgia Department of Agriculture confirmed the presence of salmonella in dry pet food and cat treats.
The brands affected, California Natural, Evo, Healthwise, Innova, and Karma, are sold through veterinary clinics and have expiration dates prior to and including March 24, 2014.
If you have a product matching that description, throw it away as soon as possible and wash your hands well.
Salmonella symptoms in animals and humans can include nausea, vomiting, diarrhea, lethargy, fever, and abdominal discomfort.
Click here to find out how to proceed if you have an affected product.