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Understanding Non-Specific Urethritis (NSU)
Non‑specific urethritis (NSU) refers to inflammation of the urethra not caused by gonorrhoea. It is commonly linked to infections such as Mycoplasma genitalium or chlamydia, but in some cases, the cause is unknown. NSU affects both men and women but is more commonly diagnosed in men.
The condition is usually spread through sexual contact, and symptoms may appear days or weeks after exposure. Early treatment prevents long‑term complications and reduces the risk of spreading the infection to partners.
- Inflammation of urethra
- Often sexually transmitted
- Common in sexually active adults
- Sometimes symptomless
- Affects men and women
Causes of NSU
NSU is caused by irritation or infection in the urethra. Common infectious causes include Mycoplasma genitalium, chlamydia and, rarely, other bacteria. Non‑infectious causes include friction, soaps or chemical irritants.
Sexual contact without barrier protection remains the biggest risk factor.
- Mycoplasma genitalium
- Chlamydia infection
- Unprotected sex
- Chemical irritation
- Friction from sexual activity
Symptoms of NSU
Symptoms vary and may be mild or absent. Men often notice discharge or discomfort when urinating, while women may experience pelvic discomfort or unusual discharge.
Symptoms may come and go, making diagnosis important.
- Painful urination
- Genital discharge
- Pelvic discomfort
- Irritation at urethral opening
- Frequent urination
Treatment Options for NSU
Treatment usually involves antibiotics targeted at the likely organisms responsible. Completing the full course of antibiotics is essential to prevent recurrence or complications. Sexual partners should also be tested and treated to avoid reinfection.
Avoiding sexual activity until treatment is complete helps reduce spread.
- Antibiotic treatment
- Partner treatment recommended
- Avoid sex until course completed
- Follow-up testing if needed
- Hydration to ease discomfort
Prevention & Long-Term Management
Consistent condom use significantly reduces the risk of NSU and other STIs. Routine screening and prompt treatment of any infections help prevent complications.
Maintaining good genital hygiene and avoiding harsh soaps also reduce irritation.
- Use condoms during sex
- Routine STI checks
- Limit number of partners
- Avoid genital irritants
- Complete full treatment
When to Seek Medical Advice
Seek medical help if you experience persistent discharge, painful urination, pelvic discomfort or if symptoms return after treatment. Individuals with fever, testicular pain or severe abdominal discomfort should seek urgent care.
Prompt medical assessment ensures correct diagnosis and treatment.
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