The urethral meatus is the opening through which urine leaves the body. Meatal stenosis means that this opening has become abnormally narrow and is interfering with urinary flow. It is most often discussed in boys and men, although narrowing of the female urethral opening can also occur.
An important point is that a meatus can look small without causing obstruction. Treatment should therefore be based on the complete picture, symptoms, the appearance of the opening, the urinary stream and, where appropriate, objective testing, not appearance alone.

What symptoms can it cause?
Typical symptoms include:
- a thin, forceful or upward-deflected stream;
- spraying or difficulty aiming the urine;
- taking longer to pass urine or needing to strain;
- burning or discomfort during urination;
- a small spot of blood at the meatus;
- urinary frequency, urgency or incomplete emptying; and
- recurrent urinary infection in selected patients.
In toilet-trained boys, an abnormal stream is often the most useful clue. Published patient-reported data show that improvement after meatotomy is most predictable when the preoperative problem is an abnormal or deflected stream. Frequency, urgency, wetting or dysuria may have another cause and should not automatically be attributed to a narrow-looking meatus.
Complete inability to pass urine is uncommon but requires urgent medical attention.
Congenital meatal stenosis
Congenital meatal stenosis is present from birth. True isolated congenital narrowing is uncommon and should be distinguished from normal variation in meatal size. It may also occur as part of another developmental urethral condition, including hypospadias, or following congenital urethral reconstruction.
In a baby or young child, symptoms can be difficult to recognise. The diagnosis becomes more apparent after toilet training, when a persistently narrow, spraying or markedly deflected stream can be observed.
Not every anatomically small meatus needs surgery. An asymptomatic child with a satisfactory stream, no urinary infections and normal bladder emptying can often be observed. Symptomatic obstruction, however, should be assessed by a paediatric urologist.
Acquired meatal stenosis
Acquired stenosis develops after birth. Its causes vary with age.
In boys
Meatal stenosis is recognised after circumcision, although published estimates vary substantially because studies use different definitions and methods of examination. Proposed mechanisms include irritation and inflammation of the exposed meatus, contact with wet nappies, meatal ulceration and subsequent scar formation. It often becomes clinically obvious between early childhood and school age rather than immediately after circumcision.
Other causes include inflammation, trauma, catheterisation and previous surgery, particularly repair of hypospadias. Following hypospadias surgery, narrowing may involve more than the external opening and must be assessed in the context of the reconstructed urethra.
In adolescents and adults
Important causes include:
- lichen sclerosus (also called balanitis xerotica obliterans or BXO), which can scar the foreskin, glans, meatus and more proximal urethra;
- repeated urethral instrumentation, catheterisation or endoscopic surgery;
- prior hypospadias repair or other penile surgery;
- trauma, infection or chronic inflammation; and
- previous radiotherapy or treatment affecting the urethra.
In adults, it is essential to determine whether narrowing is confined to the meatus or extends into the fossa navicularis or penile urethra. Treating only the visible opening will fail if more extensive scar disease has been overlooked.
Female meatal or urethral stenosis is uncommon. Symptoms may resemble recurrent urinary infection or other causes of bladder-outlet obstruction. Diagnosis should be made carefully, as urinary symptoms alone do not prove that the urethra is narrowed.
How is it diagnosed?
Assessment may include:
- A detailed history: including the direction and calibre of the stream, spraying, pain, infections, prior circumcision, catheterisation, surgery, trauma and skin disease.
- Examination: assessing the meatus and surrounding skin for scarring, pallor, inflammation, lichen sclerosus, hypospadias or surgical change.
- Observation of the urinary stream, particularly in a toilet-trained child.
- Uroflowmetry and post-void residual ultrasound when symptoms are unclear, the patient is older, or more extensive obstruction is suspected.
- Urinalysis or urine culture if pain, blood or infection is suspected.
- Urethral calibration, cystoscopy or urethrography selectively, especially in adults, recurrent disease, previous urethral surgery or suspected extension beyond the meatus.
Kidney and bladder ultrasound is not required for every straightforward case, but may be appropriate when there are recurrent infections, incomplete emptying, significant obstruction or concern about the upper urinary tract.
What is the correct management?
Management must match the patient’s symptoms, cause, age and extent of narrowing.
1. Observation
Observation is reasonable when the meatus is merely small in appearance but the patient has no relevant symptoms, passes a satisfactory stream and empties the bladder normally. Treating an incidental finding is unlikely to improve unrelated urgency, frequency or wetting.
2. Treat active skin or inflammatory disease
When lichen sclerosus or another inflammatory disorder is present, the underlying disease must be treated as well as the narrowing. Potent topical corticosteroid treatment is commonly used for genital lichen sclerosus under medical supervision. Circumcision may be indicated when the foreskin is affected, but established meatal or urethral scar may also require surgery.
Persistent or suspicious penile lesions may need biopsy. Long-term review can be appropriate because lichen sclerosus can recur, extend into the urethra and is associated with a small but important risk of penile malignancy.
3. Meatotomy or meatoplasty
For a short, symptomatic stenosis confined to the meatus, meatotomy or meatoplasty is usually the definitive treatment.
- A meatotomy enlarges the opening with a controlled incision.
- A meatoplasty reconstructs and sutures the edges to create a durable, appropriately shaped opening.
Both can provide excellent relief in appropriately selected children. A large paediatric series reported that meatotomy required more early manual spreading and had a higher reoperation rate than meatoplasty; technique and postoperative care therefore matter. In another study, 95% of families reported their child was at least somewhat improved after meatotomy, with the strongest benefit in boys treated for an abnormal stream.
The operation may be performed under local anaesthesia in selected cooperative patients or under general anaesthesia, particularly in younger children. Expected short-term effects include stinging, minor spotting of blood and temporary spraying while swelling settles. The surgeon may advise ointment and gentle separation of the meatal edges during early healing; instructions vary according to the procedure used.
4. Dilatation
Repeated blind dilatation is generally not a durable solution for dense scar-related meatal stenosis. It may cause further tearing and scarring and can commit a patient to repeated procedures. Carefully selected dilation or self-dilatation may have a role as temporary or palliative management, or as part of a specialist regimen for inflammatory disease, but it should not replace an appropriate reconstructive assessment in recurrent or complex disease.
5. Recurrent, adult or extended distal disease
If narrowing recurs, is associated with lichen sclerosus, or extends into the fossa navicularis/distal urethra, a simple repeat incision may not be sufficient. Options include formal meatoplasty or distal urethroplasty using an oral mucosal graft. The European Association of Urology recommends offering open meatoplasty or distal urethroplasty for meatal and distal urethral strictures; the precise operation should be individualised to stricture length, tissue quality and the patient’s priorities.
In lichen-sclerosus-related urethral disease, genital skin should not be used as a graft because the disease may recur in that tissue. Oral mucosa is generally preferred when graft reconstruction is required.
Follow-up and recurrence
Most patients with an isolated, properly treated meatal stenosis do well. Follow-up should assess:
- improvement in stream direction and calibre;
- pain, bleeding, infection or difficulty voiding;
- bladder emptying when clinically indicated; and
- restenosis or progression of an underlying condition such as lichen sclerosus.
Prompt reassessment is advisable if the stream narrows again, spraying persists after healing, voiding becomes painful or difficult, infections recur, or new skin changes appear.
The practical message
Meatal stenosis is not simply “a small hole.” Correct care begins by confirming that the narrowing is clinically important and identifying its cause and extent. A symptomatic, short stenosis confined to the meatus is usually treated successfully with meatotomy or meatoplasty. Recurrent stenosis, adult disease, previous hypospadias repair or lichen sclerosus requires a more detailed urethral assessment and sometimes formal reconstruction.
This article provides general educational information and does not replace an individual assessment. Seek urgent care if you or your child cannot pass urine, develops fever with urinary symptoms, or has significant bleeding or pain.
Selected references
- European Association of Urology. EAU Guidelines on Urethral Strictures: Disease Management in Males. 2026. https://uroweb.org/guidelines/urethral-strictures/chapter/disease-management-in-males
- European Association of Urology. EAU Guidelines on Urethral Strictures: Definition, Epidemiology, Aetiology and Prevention. 2026. https://uroweb.org/guidelines/urethral-strictures/chapter/definition-epidemiology-aetiology-and-prevention
- Wessells H, et al. Urethral Stricture Disease Guideline Amendment (2023). Journal of Urology. 2023. doi:10.1097/JU.0000000000003482.
- Dothan D, et al. Surgical Treatment of Meatal Stenosis: Lessons Learned from the Pediatric Urology Practice. Urology. 2023;171:220–224. PMID: 35981660.
- Varda BK, et al. Minor procedure, major impact: patient-reported outcomes following urethral meatotomy. Journal of Pediatric Urology. 2018;14(2):165.e1–165.e5. doi:10.1016/j.jpurol.2017.11.018.
- Godley SP, et al. Meatal stenosis: a retrospective analysis of over 4000 patients. Journal of Pediatric Urology. 2015;11(1):38.e1–38.e6. doi:10.1016/j.jpurol.2014.09.016.
- Morris BJ, Krieger JN. Does circumcision increase meatal stenosis risk? A systematic review and meta-analysis. Urology. 2017;110:16–26. doi:10.1016/j.urology.2017.07.027.
- Wang MH. Surgical management of meatal stenosis with meatoplasty. Journal of Visualized Experiments. 2010;(45):2213. doi:10.3791/2213.
Prepared for patient education.