How To Get Rid Of Pimples On My Penis And Scrotum?

i m 27 i have done paid sex i get the pimples inside the penis cap i take medicines from dermatologist i would be normal but not properly after 3 months i get the pimples on my scrotum and have a red skin and my penis nervs is fat in size and inside the cover of penis is become dry skin like the old man have on face my email is YYYY@YYYY