If kitty will let you I always bathe the wound and dry it well and put Medi Pulv on it, this is a antibacterial powder used for humans, but is perfectly safe for cats, I checked it out with my vet, I have even cleared up many a bad wound on my older cat, it might just help the healing process, not sure if it is available in your country but there might be something similar, i swear by it, has healed many nasty grazes on my kids as well, and abcesses on the cat too, good luck hope all goes well at the vets.