Cat Is Super Skinny. They may not be eating enough due to stress, dental disease, nausea or a host of other reasons. Common gi problems that produce weight loss in cats include inflammatory bowel disease, food allergies, or certain infections.

Note if your kitty feels “bonier” during grooming or petting and pay attention if your normally hefty. If your cat eats a lot but is skinny, it could have feline inflammatory bowel disease (fibd). The gi tract comprises the esophagus, stomach, intestines, and colon, so inflammation of these locations can cause fibd.