Hi Doctor, Lately I Have Itchy On My Penises, I

Hi doctor, lately i have itchy on my penises, i don't know why, first thing it came throught my mind is maybe i got stung by an ant or something, because when i wake up in the morning it become itchy, after 2 days, it become blister, and the blister pop out after i played sport, and fluid from the blister not smelly at all, and im still a virgin, that mean i don't have any experimce having intercourse, that make me wonder, what bring up to this problem, by the way sorry for my bad english, it not my language, i hope you can help me and understad what im trying to say, thank you doctor