Veggii, Oh man I am sorry to hear things have gotten worse. Betadine helps with ringworm in cats not sure if it works on humans but it won't hurt to give it a try on a couple of lesions to see if it helps.
Two of your plants look male don't know if they are hermies (pix 4&5) can't tell on your others but I am never good at early sexing(G) I don't think you need to worry about the boys having gotten to your girls already both are still too young.
Feel better.