A direct blow to the scrotum can also cause a tear of the capsule around the testicle. The main finding is severe pain and a swollen scrotum. This can happen from being hit by a ball during sports. Blunt trauma can cause a large blood clot to form inside the scrotum. It may be minor, but need to rule out any other problems. Any boy with a swollen scrotum from an injury needs to be examined. If it persists, the boy needs to be examined. If there was no damage, the pain should go away within 30 minutes. A blow to the testicle will normally cause severe pain.

The main symptoms are bloody urine and trouble passing urine. It can be injured by a kick to the groin or a straddle injury. The urethra passes through the entire penis. Most parents will want a doctor to help with removal. The foreskin or skin on the penis can get caught on a zipper. All the common skin injuries can occur here. In young boys, the scrotum is injured more often than the penis.