
Hi Sarah,
Have just had a quick look at your earlier thread - sorry about Keisha's ongoing problems :( Did your vet test pancreatic function
and TLI test for EPI? Did he test for hypothyroid, Cushing's, Addison's? (the only accurate test for Addison's is the ACTH test which requires the dog have blood drawn, tested, then injected with an adrenal stimulant and retested after a couple of hours)
There are a number of things which could be wrong and steroids are often given to countermand the symptoms but unfortunately have an effect on further tests as they can cause readings to be inaccurate.
If none of the above tests have been carried out I'd at least discuss the possibilities of them with your vet before Keisha is on the steroids for long (literally more than a few days).
HTH, very best wishes, Teri