My son is thirteen years old. He had a testicle that didn t want to drop as a toddler. It finally did, but not without some trouble. This may be completely irrelevant, but I thought it was worth mentioning. Anyway, he has recently been waking with an erection and a small amount of discharge in his underwear. My concern is that the discharge has been very dark brown, occasionally. I don t believe that this is normal and I m very alarmed. In addition, he has been having to urinate rather frequently. Again, I don t know if this is relevant, but thought I d mention it. What is happening? Do I need to be concerned?