Definition:
Non-Specific Urethritis (shortened as NSU) is a type of urethritis characterized by inflammation of the urethra that cannot be attributed to Chlamydia, gonorrhea, or any infectious cause. Most cases of non-specific urethritis are sexually transmitted, while some have no evidence of infections at all.
Diagnosis:
Non-Specific Urethritis is often diagnosed in males only based on microscopic findings of a gram stain from a urethral swab. Evidence of urethritis as well as the absence of gonococci or chlamydia trachomatis infections is usually sufficient to confirm diagnosis.
Treatment:
Non-specific urethritis may be treated with a combination of antibiotics, tetracycline, doxycycline, and erythromycin. In most cases, the patient's sexual partner will also require treatment.
Symptoms and Signs:
Non-specific urethritis symptoms in men include: urethral pain; urinary pain; urinary frequency; urinary discharge; stained underwear; red urethra; and urethra inflammation. In women, non-specific urethritis may be either asymptomatic or mildly symptomatic with signs of: urinary pain; urinary frequency; mild pelvic pain; thick yellowish vaginal discharge; and pain during sexual intercourse. Occasionally, deep pelvic pain and pain between the anus and genitals may also be observed in both men and women.
Causes:
Non-specific urethritis is caused by non-specific causes but are closely associated with a number of sexually transmitted diseases, non-infectious urethral inflammation, and urethritis.
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