Harriet, one of the cats at my job, has been on Propulsid (cisapride) for years, along with lactulose. I had been getting her cisapride from her vet, 10 mg twice a day. My office just moved in June and the cats went to their new vet two weeks ago. That vet only had 5 mg cisapride. He also told me that now it's nearly impossible to get any more due to the FDA. He said that some humans have been taking the veterinary supply for themselves (it was taken off the market for people years ago). I don't know what I'm going to do when her supply runs out. She's only getting half her usual dose. The vet said there was another drug (Reglan?) but that it doesn't work as well. Does anyone have a cat on Reglan? Was your cat previously on Propulsid? Is there any other option?
Some years ago I noticed Harriet going from one litter box to the next many times throughout the day, but she didn't produce anything. After a couple of days and no stool I took her to the vet. The vet was useless and she returned 5 times in the next couple of weeks before I took her somewhere else. She's been on Propulsid & lactulose ever since. The second vet said that for whatever reason she had gotten constipated and it might have stretched her colon (? not sure what part it was) and it formed a little bulge or pocket, and now all of her stool tends to catch in that area and builds up because she's unable to move it through herself. That's what the Propulsid is for, plus lactulose to soften the stool.
Her stools tend to be fat and she doesn't go every day, She also will poop on the floor if she's having trouble. We have a large cage (from my boss' Labs) and I usually shut her in there with her box & food/water if she hasn't had a bowel movement in 24+ hours. If she poops before I leave work, she's set free. Otherwise she spends the night in the cage. She ends up in the cage overnight maybe twice a week. Because she lives in a retail store, we can't have her going on the floor.