Oh poor Gloria. :sad3:
How old is she?
I want to come here and give you some positive news, but I'm afraid I might only be able to agree with what others suggested....an internal mass. :sad3: The reason for this, I just lost my dear Reina 2 weeks ago from just that. I noticed one day that she wasn't so interested in her food. Over the next two days, I also noticed that Reina was sleeping a lot more and sticking to her house. Something was definitely off. I made an appt for the vet for the next day, then picked her up and started feeling around in her belly (the boy we lost before her, had a mass in his tummy too...so I'm kind of prone to always feeling bellies when they start to age). I knew right away that Reina was in trouble. It felt like her bladder was very full. The vet had already closed for the night...so I gave her a little pain medication (per a phone call to my vet at home), and tried to keep her comfortable through the night. I kept feeling her blankets and she wasn't peeing. By morning, the mass in her belly was twice the size it had been. I felt HORRIBLE for Reina. We got her right in the vet the next morning. By that time, she was clearly not well at all, and rather limp. The vet said it was indeed Reina's bladder and she could also feel a smaller mass that may have been blocking her from peeing. :sad3: We had absolutely no choice but to let Reina go. She was in pain and we had to free her from that.
I also had another boy, who displayed many of the symptoms you are mentioning. He was old and had lost the use of his back legs. He was also very fat (which was why I didn't realize he had mass in his belly). Vinnie would lay in his cuddle cup all day. We had a water bottle right next to his bed and he drank a lot. We had to change his blankets 3 times a days because he would also pee constantly. Vinnie was 33 months old, when we he finally looked ready for the bridge. After he was 'gone' the vet felt around in his belly and found his bladder was just huge. Poor Vinnie's bladder was always full, and all that peeing was just it releasing urine when it got beyond full....Vinnie never acted in pain and I couldn't feel his bladder around all his fat. :sad3:
Sorry for the scary stories. But if your baby girl has a mass in her belly that's causing her problems with going to the bathroom (intestinal tumors can cause diareeha, when all that can pass by it are fluids), she could be in pain and just miserable. Is she eating? If they stop eating, that's always the decision maker for me. If they aren't eating, they are starving...and that's a horrible way to go.
I would definitely see about getting her back to the vet to see what that mass is.
I'm so very very sorry about Gloria. I do hope this is something other than a mass or her bladder. :sad3: