Swollen Testicles (Testicular Swelling): Symptoms & Signs

Testicular swelling, like pain in the testicle, can arise from several different causes, some of which constitute a medical emergency. Testicular swelling may be perceived when there is localized enlargement of a testicle or a more generalized enlargement of the scrotum. It may be one-sided or bilateral and may or may not be accompanied by pain and other symptoms.

Swollen testicles or swelling of the scrotum can result from testicular torsion, a medical emergency. Testicular torsion is a condition in which the testicle twists inside the scrotum, causing an interruption in the blood supply to the testicle.
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