The bottom middle of my right foot has been very itchy for the last three days l work in a pharmacy and wear trainers with sports socks but never had a problem with sweating etc dont have any athletes foot the skin underneath my feet is clear and healthy just a bit dry in places lm worrying after reading some info online about parasites! But there is no red bumps or any marks lve had too use hydrocortisone 1% sparingly please any advice would be most helpful .