hi,i am 21 years old.i have a infection on my penis head under my foreskin , it looks like reddish/brown patches . the patches are not fully spreaded over glans of penis. the patches are partially filled up in glans. and when in a non erection the glans of penis looks like scaly skin over it. it does not cause me pain or itchy.what is it? i can see these patches too in the opening of penis which i urinate.what kind of infection is it?