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.
If your catâs constipation is not alleviated, obstipation-the inability to empty her colon on her own-can occur. In this state, the colon is packed with an uncomfortably large amount of feces, causing unproductive straining, lethargy, appetite loss and possibly even vomiting.