I'm an 18-year-old male, not sexually active, virgin. I have good hygiene, shower at least 3 times a week. But I suspect I have some sort of penis infection. There is no pain or itchiness, but only those microscopic bumps at the edge of my penis's head, which worry me. They're mainly on top, but I have a little on the bottom as well. I'm also uncircumcised. Can you please help me what to do?