I am 18 and a virgin, so I'm pretty sure that I don't have a std. But there is a bump on my shaft twards the bottom where the penis starts. It isjust kind of a swollen lump, no white spot or anything. I don't know if this helps but it appeared after I shaved my panis hair. Any help would be...

Hey guys, I noticed a small bump on my penis shaft that sometimes appears after an erection or masturbation. It doesn't hurt or itch and tends to just last no more than an hour and goes away. I thought it was a cyst but since it goes away I am ruling that out. Maybe an allergic reaction? Or...

Hi... I have a small bump on the skin of my penis... it has the appearance of a pimple but it doesn't go away... almost like a small pebble under the skin... I've tried almost everything including putting ice on it... that seemed to make it go down but it just came right back... its totally...