What happens if a cat eats expired sausage?

Expired sausage can breed large amounts of bacteria, mold, or other harmful microbes; after a cat eats it, digestive discomfort such as vomiting, diarrhea, and abdominal pain is likely. If the sausage has seriously spoiled, it may contain significant toxins leading to food poisoning, with symptoms including persistent vomiting, weakness, fainting, difficulty breathing, and fast or slow heartbeat.

Finally, sausage is high in salt and additives, which easily burden a cat’s digestion; frequent feeding can cause tear stains, hair loss, and soft stools.