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.
1. Vomiting. Vomiting is a very common problem with cats with a multitude of causes. They range from eating something poisonous or inedible (like string), to infection, urinary tract disease, or diabetes to hairballs. Symptoms are usually obvious, and include drooling and abdominal heaving. Vomiting can quickly leave your cat dehydrated, so if kitty continues vomiting or acts ill, call your vet right away. It may help to collect a sample of your cat's vomit and take it with you to the vet. Read more about cats and vomiting here.