If he doesnt eat anything you must go to vet, he will just get weaker and weaker. The vet perhaps know how to tube feed and can help you with this? It could help much here. But not all vets knows how to, nor have the gears
And even a so so vet can always inject some supporting fluids into the neck behind the shoulders. Gives often dramatical improvement.
With very weak kittens a trick may be to give them just pedialyte. Home made pedialyte is water, some karo or honey so it barely becoes sweet, and a little kitchen salt.
Its no remedy if he is sick for real, but may buy you time.
You can also smear some pedialyte with extra karo on his lips and gum.
Digestation stops often in very weak or dying kittens, while glucose sugar in pedialyte or karo doesnt need to be digested.
And even a so so vet can always inject some supporting fluids into the neck behind the shoulders. Gives often dramatical improvement.
With very weak kittens a trick may be to give them just pedialyte. Home made pedialyte is water, some karo or honey so it barely becoes sweet, and a little kitchen salt.
Its no remedy if he is sick for real, but may buy you time.
You can also smear some pedialyte with extra karo on his lips and gum.
Digestation stops often in very weak or dying kittens, while glucose sugar in pedialyte or karo doesnt need to be digested.