thank you. She does have one other problem I forgot to mention- some crusty patches on her skin. had a steroid injection early this year. no fleas. on program. do you think this skin problem could also be indicative of any of the issues you mentioned. she will be very stressed to go to the vet but I am planning to take her back in a few weeks for program. I wouldn't have wondered if she was sick at all except unfortunately had another cat diagnosed with kidney disease who also was drinking a fair bit.
I have arranged to take her to the vet next week or as soon as I can catch her! She is a lap cat but not a pickable up cat. The steroid injection was at the beginning of the year and it did appear to help. We are heading toward winter and hopefully less allergies if that is the problem.