Ringworm

Two weeks ago I noticed a circular bald spot on 1 of my cats upper front leg and suspected it was ringworm but wasn't sure.

And then last night noticed I have a spot on my leg that is definitely ringworm. Over the counter creams meant to treat never seem to never work or atleast not fast enough so I remembered bleach works. So I looked it up just make sure but didn't actually click the link. I must not have been thinking clearly because I panicked about it spreading. I have 3 other cats and as far as I can tell they don't seem to have it. Anyways I put Clorox not watered down at all on a piece of a cotton ball and covered it with a band aid. Yes I know completely dumb since bleach can basically destroy and eat away certain fabrics which somehow in the moment didn't cross my mind. 30 minutes later took it off since it was burning. Luckily I realized my mistake before treating the spot on my cat.

So the whole reason for this post is I'm wondering since I have 3 other cats, is it possible that it hasn't spread to them yet?

Ringworm is a pain. There are a bunch of threads on it (I researched it when I thought I saw it on my cat but turned out to be a bug bite). From what I found: 

Your best bet is the vet for cat treatment. Your vet can confirm and give you cat-safe and effective treatments. Cats are particularly sensitive to things that humans have no problem with so please do not use herbal or other remedies on cats. For the humans you can do all the alternative treatments you want but make sure to not have contact with the cats when the treatment is freshly applied. 

For example, tea tree and lavender oil (talking the good quality oils) with some apple cider vinegar is one of the well known herbal treatments. Even just tea tree oil on its own can be effective when used directly on the spot. However, tea tree oil is deadly to cats even in small doses. Even just the fumes of some oils, like tea tree, can be harmful. Personally, I would take the oil with me to work and apply it at work so it has time to absorb and dissipate before having contact with the cats again. But tea tree oil, I have heard from friends who have dealt with ringworm, is extremely effective for humans. 

As to if it has spread, it would be difficult to tell. If you have it and it has been two weeks I would assume it has. They also might be immune to it as some cats are. Talk to your vet about options. You may be able to use whatever medicine the vet prescribes on yourself instead of alternative options or buying something at the pharmacy for it. 

I forgot to mention when I first noticed the spot on my kitty I did start putting tinactin cream on it. And also the hair has already been growing back where the spot was.