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Testes

The testes (also known as testicles) are oval-shaped, sperm-producing organs that help maintain a man’s fertility. They also release the male hormone testosterone.

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Testicular torsion can be extremely painful and is an emergency situation. It happens when the cord that carries blood to the testicles twists, cutting off the blood supply to the testicles.
Epididymitis is an inflammation of the epididymis, the tube at the back of the testicles that transports sperm. It’s usually caused by an infection and needs to be treated with antibiotics.
Red testicles can have associated symptoms of pain, itchiness, swelling, or dryness of the skin. Common causes for scrotal redness include allergic reactions to hygienic products, chemicals, or medication. In addition, skin conditions like eczema and scabies can cause a red scrotum.
Pain in one testicle can be rare and serious if not treated promptly. The pain can reside in either the right or left testicle and be associated with testicular swelling, lower abdomen pain, and burning when urinating. Sharp pain in one testicle can be caused by testicular torsion, an injury to the groin, a bacterial infection, or prostatitis.
A mild swollen testicle after an injury is common and often goes away after a few days. However, large, or sudden swelling should be immediately treated, as it may point to a more serious underlying condition.
Testicular cancer occurs in the testicles, two egg-shaped glands located beneath the penis. Signs of testicular cancer include a lump in the testicle, a change in how the testicle feels, aching in the lower abdomen of the groin, swelling of the scrotum, and pain in the scrotum.

Indirect Hernia

An indirect hernia is a protrusion of an organ through the "wall" located near the groin or abdomen. The bulge is painless but when strangulated, can cause symptoms.
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Testicle Numbness

Testicle numbness can be alarming since it is most likely caused by a compressed or damage nerve. Groin nerve irritation and a thigh nerve issue can cause tingling in the scrotum. A herniated disk in the lower back can also can also cause tingling testicles and pubic area
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