 [ Symptoms ] my 82 yr old mother has swollen legs and has developed blisters on her big toes she is not overweight she has copd she has had high sugar levels her blood pressure flecuates   sometimes high sometimes low she has received steroid shots for her back and legs her doctor has assured her that the batch of steroids were not bought from the recent outbreak of menengitis [ Disease ] most helpful answer it would take a visual examination by a medical provider to determine the exact nature of your scrotal red blotch a brief description just does not do it you may be correct about fungus    common pathogen in this moist area would be a condition called tinea cruris tinea cruris typically itches however but it can be very red moist and irritated another possibility would be contact dermatitis often from a fabric softener detergent or soap no young man really wants to go to a medical provider to get his scrotum examined but this is really the only way to be properly diagnosed and treated jock itch is a possibility however that rash is usually itchy so that makes me question whether you have jock itch or something else since i cannot tell based on your description it is something you should get checked out by your doctor here is more information about jock itch thank you very much for your input i have determined that it is jock itch and am getting a corticosteroid and some fungal cream as well