With a shellfish allergy, lobster, crab, oysters, clams, scallops, abalone, shrimp, sea urchin, crayfish and mussels all are problematic. With a fish allergy, regular fish, as well as foods containing fish such as Worcestershire sauce, Caesar salad and imitation seafood, are off limits.
Symptoms of IBD. One or many of the following symptoms can be found in a cat with inflammatory bowel disease (IBD): 1  Vomiting. 2  Diarrhea. 3  Weight loss. 4  Normal/increased appetite. 5  Stomach rumbling. 6  Belching. 7  Black, tarry stools. 8  Flatulence (from digested blood). 9  Halitosis.
Typical symptoms may include any or all of these common symptoms: 1  Excessive thirst. 2  Straining to urinate. 3  Passing only small amounts of urine. 4  Pain during urination; your cat may cry out. 5  Blood in urine. 6  Inappropriate urination outside the litter box.