Can cats have food allergies? Yes. Cats can have food allergies. Your cat can be allergic to a particular type of food, even if it's raw.
Your cat can also be allergic to an additive that's in processed food. So, your cat could be allergic to an unprocessed food, such as chicken.
They could also be allergic to a processed food such as a chicken breast snack because of an additive that's in the treat.
Cats can be allergic to different types of protein so, they can be allergic to a protein that's found in turkey or beef.
Your cat could also be allergic to a protein that's found in a whole grain, such as corn.
More
Liquid meal replacement for cats
Natural diuretics for dogs with congestive heart failure