It is treated with a topical anti-yeast medication. Jock itch or tinea cruris is an itchy fungal infection along the upper inner thighs and groin. It is treated with a topical anti-fungal medication. Scabies is caused by a mite that burrows into your skin. It can cause itchy red bumps on your scrotum and on other parts of your body.
Treatment is with an anti-scabies medication and a topical steroid for itching.
Phimosis is when the foreskin is so tight it can't be pulled back over the head of the penis. This can cause pain with erections. Paraphimosis happens when the foreskin is pulled back over the head of the penis but can't be pulled back down into its normal position. This leads to pain, swelling and discoloration of the head of the penis. This is an emergency that needs medical attention and correction immediately.