Right. Between Friday evening and early Sunday morning, he'd gone about 30 hours between vomits. (He's since vomited early Sunday evening, so about 10-11 hours there.) At least for part of the past couple days, then, he simply hasn't vomited enough to account for what he's eaten.
As for the ketones (thanks for the suggestion, cloud_shade!), it seems unlikely. If anything, he's been urinating less than normal rather than excessively, and he has no odd odor on his breath.
My ten-year-old (diabetic, controlled with caininsulin) golden tabby (Frobisher, also known as the sweetest kitty in the land) has recently had constipation, but the presentation is unusual and it's troubling me.
Starting at the middle of last week, he atypically vomited several times over 24...
