Hi, Im a 13 year old female and for the past few days or so, Ive noticed red bumps going down my armpit. its more on the side though.And they stop at the side of my breast. My left armpit/side is fine, its just my right one that is filled with red bumps. And I think more have came up. The first time I saw them there was four, now there are 18 and they're all clustered together. Please help. Im in gymnastics and its really embarrassing. Also, I barely have any acne on my face and its not noticeable. The ones down the side of my armpit and my side are big, red and noticeable. They itch/burn and hurt to the touch sometimes. PLEASE HELP!