 [ Symptoms ] small red bumps on penis forskin after and head also pink irritation on base happens after masterbating or intercourse first thought it was contact dermatitis with my gf but it becomes irritated after masterbating too it is very mild and not that noticeable unless you know it is there when we were not using protection and had frequent intercourse it would become more severe and would flake the day after could this be a yeast infection or some kind of bacteria [ Disease ] many things can cause hives but the antibiotic he was taken even if he recently finished it is still high on the list of possibilities