Epididymo-orchitis is an inflammation of the epididymis and testicles. This rare condition accounts for less than one percent of all U.S. outpatient visits. Acute cases typically last less than six weeks. When the condition lasts longer, doctors consider it chronic.
This type of inflammation is generally caused by a bacterial infection that leads to inflammation that begins in the epididymis and spreads to the testicles. It may be painful, and a swollen or red scrotum can accompany symptoms. Some men with the condition develop a fever.
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