Hi,
I joined this site nearly five years ago when my cat, Pablo, first got sick. Since then, I have found so much wisdom and incredible knowledge here, and I'm grateful for the folks who take the time to post with so much thoughtfulness and care. I regret that I never started my own thread for...
Uh-oh, black stools can be indicative of upper GI bleeding. If Ritz has been having issues since October - and if they're related to excess stomach acid - it's possible that she has developed ulcers.
Looking back at your previous posts, it's unclear to me whether or not you've tried dosing Ritz with Pepcid. It sounded like you weren't too keen on the idea of using a drug, but if she is experiencing excess acid, it certainly could help.
Have you tried using gel caps? Pilling my guy has become almost a non-issue since I discovered gel caps. I don't know why vets don't recommend them straightaway.