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Non-specific urethritis (NSU): start your consultation

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Non-Specific Urethritis (NSU): Causes, Symptoms, and Treatment

Non-specific urethritis (NSU) is an infection characterised by the inflammation of the urethra, excluding cases caused by the sexually transmitted infection (STI) gonorrhoea. Although NSU primarily affects men, women can also develop this condition. Read on to learn more about NSU, its symptoms, causes, prevention, and treatment options.

What is Non-Specific Urethritis (NSU)?

NSU refers to inflammation of the urethra not attributed to gonorrhoea. It is also called non-gonococcal urethritis (NGU) when caused by other STIs or irritants.

The urethra is a vital tube that carries urine from the bladder to the outside of the body. In NSU cases, inflammation in this tube can cause discomfort and other symptoms. NSU is often caused by STIs such as chlamydia or mycoplasma genitalium, but non-sexual factors like irritation can also contribute.

Common Causes of NSU

  1. Infections:
    • STIs: Chlamydia, Mycoplasma genitalium, Ureaplasma urealyticum, Trichomoniasis, and others.
    • Non-STIs: Adenoviruses or urinary tract infections.

  2. Irritation or Damage:
    • Vigorous sexual activity or masturbation.
    • Allergic reactions to products like soaps or spermicides.
    • Damage from medical devices such as catheters.
    • Over-examination of genital symptoms.

It is crucial to identify the root cause of NSU before starting treatment, as some cases may not respond to antibiotics.

Symptoms of Non-Specific Urethritis

Symptoms of NSU can vary in severity and may not always be noticeable. Routine STI testing is essential, especially if you’ve had unprotected sex or multiple partners.

Symptoms in Men

  • Burning or painful urination.
  • Cloudy or white discharge from the urethra.
  • Redness and soreness around the penis head.
  • Frequent urge to urinate.
  • Swelling or discomfort in the testicles.

Symptoms in Women

  • Pain during urination or sexual intercourse.
  • Unusual vaginal discharge.
  • Pelvic or abdominal pain.
  • Bleeding between periods.
  • In severe cases, complications like pelvic inflammatory disease (PID) can arise, increasing the risk of infertility.

How is NSU Treated?

NSU is typically treated with a course of antibiotics. The medication works by inhibiting bacterial growth, allowing your immune system to fight off the infection.

Recommended Antibiotics

  1. Doxycycline: The first-line treatment is taken for 7 days.
  2. Azithromycin: The second-line treatment, used if doxycycline fails or is unsuitable.

Always complete the full course of antibiotics, even if symptoms improve, to prevent recurrence and resistance.

Additional Tips During Treatment

  • Avoid sexual activity until the infection clears completely.
  • Inform recent sexual partners so they can get tested and treated if necessary.
  • Follow up with an STI test to confirm the infection has been eradicated.

How to Prevent Non-Specific Urethritis

NSU is preventable with proper sexual health practices. Follow these tips to reduce your risk:

  1. Use Barrier Protection: Always use male or female condoms during sexual activity.
  2. Limit Partners: Reducing the number of partners lowers the chance of infection.
  3. Clean Sex Toys: Wash thoroughly between uses and cover with fresh condoms.
  4. Regular STI Testing: Routine check-ups help identify and treat infections early.

How to Buy NSU Treatment Online

At Medihealth Direct, you can order antibiotics like doxycycline and azithromycin after completing a quick online consultation. A UK-registered healthcare professional will assess your medical history and confirm the correct treatment.

Why Choose Medihealth Direct?

  • Discreet, plain packaging.
  • Free next-day delivery.
  • Healthcare professionals review your consultation.

FAQs About Non-Specific Urethritis

Yes, NSU can be asymptomatic, making regular testing vital if you’ve had unprotected sex.

No, non-sexual factors like irritation, allergies, or damage can also cause NSU.

Most symptoms improve within a few days of starting antibiotics but complete the full course to ensure the infection clears.

Untreated NSU can lead to complications such as infertility, chronic pelvic pain, or prostate inflammation.