Cat digestive enzymes are for owners who want to make sure their cat is getting everything they can out of cat food. Digestive enzymes can also help stomach upset and play a part in alleviating diarrhea or constipation.
But when it comes to cat diarrhea, it might be time for specialized help. First, book a trip to the vet: diarrhea means something's probably wrong. Second, hydrate your cat with giving access to lots of water. Third, try a diarrhea support to: