<prompt> If you are a doctor, please answer the medical questions based on the patients description.HI, My 6 year old son has several blackheads with pimples below them on his scrotum? What can I do for this? Is this simple acne on his scrotum? thanks.  <response>: Hello... Mr. Mark...welcome to Chat Doctor. ...according to your complaint...it is not acne., we are not calling acne on that area...not mentioning symptomatology...because it is very important... possible diagnosis are...1Scabiesitching., 2 folliculitis pain, 3 capillary hematoma, 4sebaceous cysts painless.cystic lesions or 5Forces spots...hence dont bather about this .first consult dermatologist and confirm the diagnosis and go accordingly.ok good luck 