Thanks for the helpful replies. For context I live in Indonesia, not the best developed country.
I'll try to contact some rescue groups (assuming there are any here)
I'll be away for a bit but don't worry the kitten is being watched over. I'll provide an update when I can.
Vet couldn't tell us anything about its age. I have a syringe and have been trying to feed it but it won't open its mouth. Its face is swollen so maybe it can't, but its been able to drink water from a bowl so not too sure.
I'll give the vet another call, haven't been able to yet cause of the...
Found an injured kitten, it was bitten by what we believe is a poisonous animal. (it isn't exactly uncommon where I live) We've already brought it to the vet and gotten treatment. They told us to give it three days.
I have no idea how old it is. its ears look fully formed and its eyes seem open...