Dear Sir Or Mam It Seems My. Boyfriend Has Developed

Dear Sir or Mam it seems my. Boyfriend has developed 2 dime sized abraisions on the bottom of his scrotum.at first they lookedand ooze like burns after theblister .and here a .Month later..the
Sores still ooze.. (he says) .However, they have healeda little..from my observation
they look bigger yet trying to heal...
1.in his 40
2.Physically fit. Though..(rubs nscratches himself there a lot)because:
3.he works outside
..question..s....

1. What has caused this...
2.should I be alarmed???? If so
2.do I need to see a Dr

Thank your for taking the time to consider these inquiries.., .Ms.R.Michelle C.