Urethritis causes
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Urethritis Microchapters | |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [2]
Overview
Causes
In the diagnostic approach to urethritis, physicians classify the disease as gonococcal urethritis or non-gonococcal urethritis (NGU), based on its causation. Non-gonococcal urethritis, sometimes called non-specific urethritis (NSU), has both infectious and non-infectious causes. In men, purulent discharge usually indicates a urethritis of gonococcal nature, while clear discharge indicates urethritis of non-gonococcal nature. Urethritis is difficult to diagnose in women because discharge may not be present, however, the symptoms of dysuria and frequency may be present.
Causes include:
- Neisseria gonorrhoeae
- Chlamydia trachomatis
- Mycoplasma genitalium
- Adenovirus
- Herpes simplex
- Reiter's syndrome
- Escherichia coli