My understanding is that heavy anitbiotic use actually LEADS to yeast and fungal infections. It also, as 88Butterfly88 pointed out, causes resistance (not just for yourself but for everyone) to the antibacterials. I won't even use antibacterial soap and other products.

There are some natural remedies for skin based fungal infections including some essential oils. My sister in law had great success with rosemary oi.

And, I know this sounds really hokey, but I've another friend who had great success after seeing a (chinese) naturopath