Dermatology Questions? Ask an Online Dermatologist.
Are the bumps like blisters? Do they itch? Do they turn to scabs?
You need a blood test for herpes hsv 1 and 2 igm and igg. Also a swab of the area when the lesions are there. If all is negative, this is a yeast infection or jock itch The best treatment is over the counter lotrimin gold.
Again, the pictures do not show anything