If antibiotics (or any prescription) aren't working, you definitely need to take him back to the doctor and sometimes need to find a new doctor for a second opinion.
No. Antibiotics do not help viral infections such as the cold or flu. Antibiotics are specifically for helping with treatment of bacterial infections or for preventing bacterial infections and do nothing to an inanimate virus.
Nothing
nothing
Nothing.
nothing. mabe just to look nice!!
Nothing, since none of them can breed.
pretty much nothing besides leave it in the daycare with another Pokemon to have them breed
Nothing special will happen, it will continue to level up because Pokémon in the daycare cannot evolve.
Nothing and you can't even go there without cheats.
nothing really ill ain't it
Nothing is helping.
Nothing not prescribed by a doctor!