Two ml isn't much, but it's better than nothing.
There's an emergency food for situations like this. Over here in Europe (Italy, where I am) it is called NutriBound, by Virbac. It's kind of a broth that you can syringe in very small amounts, but it's a real energy booster and promises to put a...
What @klunick said make sense, looks like a pattern.
Can you write down a table with days, times, symptoms, poops, food, etc, that you can send to your vet?
Can it be that the Clavamox you're giving him has a terrible taste that puts him off? Have you tasted it?
As for the food that he seems...
Never a pee and poop have been a better sight, haven't they? :lol:
Well, it seems things have improved a lot.
Is King acting more like himself, eating and drinking, now that he has got rid of that burden?
Test it with a simple procedure.
Pinch his skin between his blades, behind his neck pull it a bit to form like a tent and release. If the skin goes back quickly, then he's hydrated. If you see a slower return, then ask your vet how to help him.
If King is eating and drinking very little, it's normal enough not to produce much in the litter box.
By the way, have you checked if King is hydrated? Is he drinking?
Not being hydrated also leads to constipation, lack of energy, lethargy and other ailments you might witness right now.
I have just learned that feline blood can't be stored long. I have read an article about it.
And when I read that article, my vet's words came to mind. He said "we couldn't even take some blood from your cat a few weeks before the surgery and use it just in case, because the cat's blood can't be...
Financially speaking, the effort wasn't that big.
Keep in mind that vet fees here are much lower than in the U.S..
The cat had a complete blood work done for about €65 and an extraction for €300. The week at the practice, where she was tended and received fluids, antibiotics and pain killers...