Resource Details


2001 National guideline for the management of epididymo-orchitis

Author(s)BASHH; Clinical Effectiveness Group (Association for Genitourinary Medicine and the Medical
Society for the Study of Venereal Diseases)
AbstractIn men younger than 35 years of age epididymo-orchitis is most often caused by sexually transmitted pathogens such as Chlamydia trachomatis and Neisseria gonorrhoeae. In men older than 35 years of age epididymo-orchitis is most often caused by non-sexually transmitted Gram negative enteric organisms causing urinary tract infections. There is crossover between these groups and complete sexual history taking is imperative.

Epididymo-orchitis caused by sexually transmitted enteric organisms also occurs in homosexual men who engage in insertive anal intercourse. Gram-negative enteric organisms are more commonly the cause of epididymo-orchitis if recent instrumentation or catheterisation has occurred. Anatomical abnormalities of the urinary tract are common in the group
infected with Gram negative enteric organisms and further investigation of the urinary tract should be considered in all such patients but especially in those older than 50 years. Epididymo-orchitis has been described in 12-19% of men with Behcet’s disease. This is non-infective and thought to be part of the disease process. Epididymo-orchitis has also been reported as an adverse effect of amiodarone treatment.
Date of publishing08/01/2001
Date of last review by us08/15/2007
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