If I remember, it has been over 20 years.....the site of infection that I did'n't treat until it got bad, cause I didn't see it..nasty little pus-ey pits. Ulcers could be used to dexcribe them. I din't have insurance and I didn[t want them to keep meout of work, so I wore long sleeves and treated it with overthe counter antifungals, like athletes