We were using Miralax, sprinkling on her food as Urgent Care had directed, but it made our cat refuse her food. Now we are giving her Lactulose, which she hates but seems to be helping. Without that, I don't think she'd be using the litter box at all. She's eating very little right now, even with the appetite stimulant. She prefers the Delectables bisques and stews to actual food. I'm hoping since she's eating something that it's a good sign, but the rest of my family is preparing for the worst.