Hi Iam new to this site.I had a birman kitten with ringworm last year the vet wasnt at all bothered and said just put caniston cream on it.It was taking an age but it didnt spread to my other cats.Then on the internet Ifound a website from USA I ordered some white sulphar paste from them and it got rid of it in 72 hrs It was called sulfinex.I also found nizordal shampoo from boots helped