Well, a few points to discuss.
First, with chronic loose bowels, and negative fecal tests that other tests that really should be considered include:1. A basic blood profile and it MUST include a thyroid level to check for hyperthyroidism (even if maintaining weight).
2. An abdominal ultrasound to get a good look at the intestinal wall for thickness or changes to support inflammatory bowel disease.
In the absence of nothing else working here are a few suggestions:
1. Some cats with IBD will do better on all canned diets. Something to consider
2. A trial on flagyl (metronidazole). It is an antibiotic with anti-inflammatory benefit within the intestinal tract. Great in situations like this.
3. A steroid trial. Yes! Treatment with some prednisone, which would be one of the treatments of choice for inflammatory bowel disease.
4. Lastly, to supplement a medication like Flagyl, or a trial on prednisone, a product called Rx Clay, is a wonderful supplement to help firm up the poops.
I hope that info helps.
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