Join Date: Jun 2008
Location: SJ Newfoundland, Canada
Is he neutered?
This sounds to me like a kidney problem. Cats usually run into it as they age. I recommend seeing a vet and hooking him up with a special food to help, maybe meds. I cannot say for sure, bc I don't currently own a cat, but it sounds like something my old roomate dealt with with a couple of her cats. Because it might be medical but it might also be behavioral- say of there was a major change in his routine(new family member, move, stress caused by dogs, cats).
I would have him looked at for sure. Please keep us updated!