Epididymoorchitis causes

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Dima Nimri, M.D. [2]

Overview

The causes of epididymoorchitis can be divided into idiopathic, infectious and non-infectious causes.^[1]^[2]

The causes of epididymoorchitis can be divided into idiopathic, infectious and non-infectious causes:^[1]^[2]

Infectious
	Common Pathogens	Less Common Pathogens
Sexually transmitted	Neisseria gonorrhea Chlamydia trachomatis	Ureaplasma urealyticum Mycoplasma genitalium
Associated with a UTI/bacteriuria	E. Coli Proteus spp. Klebsiella Pseudomonas aeruginosa	Hemophilus influenza type b Salmonella spp. Staphylococci Streptococci
Others	Bacterial: Mycobacterium tuberculosis Brucella spp. Nocardia asteroides
	Viral: Mumps Mumps vaccine Cytomegalovirus (in HIV patients)
	Fungal: Blastomyces dermatitidis Histoplasma capsulatum Coccidiodes immitis Candida albicans Candida glabrata
	Parasitic: Schistosoma haematobium Wuchereria bancrofti (flilariasis)
Noninfectious	Sarcoidosis Amiodarone-induced epididymoorchitis Vasculitis-related: Henoch-Schonlein Purpura (HSP) Behcet’s disease Polyarteritis Nodosa
Idiopathic	–

↑ ^1.0 ^1.1 Luzzi GA, O’Brien TS (2001). “Acute epididymitis”. BJU Int. 87 (8): 747–55. PMID 11350430.
↑ ^2.0 ^2.1 Tracy CR, Steers WD, Costabile R (2008). “Diagnosis and management of epididymitis”. Urol. Clin. North Am. 35 (1): 101–8, vii. doi:10.1016/j.ucl.2007.09.013. PMID 18061028.