Thick, sticky diarrhea in cats with blood may be caused by feline distemper, feline coronavirus, internal parasites, improper diet, indigestion, etc. If the cat is also accompanied by vomiting, poor energy, loss of appetite, etc., It is best to take the cat to the pet hospital for examination and treatment. If the cat has no other abnormalities, you can feed the cat some probiotics to regulate the intestinal tract, and at the same time deworm the cat's body.