Sorry to hear that Tabitha is still having troubles. I don't know much about cats, but I'll bump this up a bit in hopes that someone more cat savvy will see it.
Good luck, Winston!
I hope the new pills clear up the problem.
"We are--each of us--dying; it's how we live in the meantime that makes the difference."
"It's not what you gather, but what you scatter that tells what kind of life you have lived!"
"Be kinder than necessary, for everyone you meet is fighting some kind of battle."