If your testicle is swollen and firm, it is important to see your doctor as soon as possible. Swelling of the testicle can signify a number of issues such as an infection, an injury, or a tumor.
Infections can cause swelling of the testicle and can be caused by bacteria, fungi, or a virus. Common infections include mumps, epididymitis, orchitis, and sexually transmitted diseases. Symptoms can include pain, redness, discharge, fever and chills.
Injuries can cause testicular swelling and can occur due to a blow, accident, or even too much physical activity. Symptoms can include pain, bruising, and tenderness.
Testicular tumors can also cause swelling and firmness. The most common type of tumor is a benign tumor, but some can be malignant. Symptoms can include a lump in the testicle, pain, and changes in the size or shape of the testicle.
It is important to see your doctor right away if you experience swelling and firmness in your testicle. Your doctor will be able to determine the cause of the swelling and recommend the appropriate treatment.