Phimosis
Phimosis is a condition in which the foreskin cannot be fully retracted over the head of the penis. While this is a normal finding in young boys, persistent or acquired phimosis in adolescents and adults may cause discomfort, hygiene difficulties, infections, and problems during urination or sexual activity. Fortunately, most cases can be managed successfully with appropriate medical or surgical treatment.
Early assessment by a urologist can determine the underlying cause and help prevent complications.
What is Phimosis?
Phimosis occurs when the opening of the foreskin is too tight to allow it to be pulled back behind the glans (head) of the penis. There are two main types:
- Physiological phimosis, which is normal in infants and young boys and usually resolves naturally with age.
- Pathological phimosis, which develops later in life due to scarring, inflammation, infection, or skin conditions.
In adults, phimosis is generally considered abnormal and may require treatment if it causes symptoms or complications.
What are the Symptoms of Phimosis?
Symptoms vary depending on the severity of the condition.
Common symptoms include:
- Difficulty retracting the foreskin
- Pain when attempting to pull the foreskin back
- Pain during erections
- Pain during sexual intercourse
- Cracking or splitting of the foreskin
- Redness or swelling of the foreskin
- Recurrent infections of the foreskin or glans (balanitis)
- Difficulty maintaining good penile hygiene
- Ballooning of the foreskin during urination
- Weak urinary stream in severe cases
- Painful urination
- Unpleasant odour caused by trapped secretions
In severe cases, phimosis may lead to urinary obstruction or recurrent infections.
What Causes Phimosis?
Several factors can contribute to the development of pathological phimosis.
Common causes include:
- Recurrent balanitis or balanoposthitis
- Chronic inflammation
- Scarring following repeated infections
- Forceful retraction of the foreskin during childhood
- Skin conditions such as lichen sclerosus (balanitis xerotica obliterans)
- Poor hygiene
- Diabetes mellitus, which increases susceptibility to infections
- Trauma to the foreskin
- Age-related changes
Treating the underlying cause is often an important part of management.
How is Phimosis Diagnosed?
Phimosis is usually diagnosed through a clinical examination performed by a urologist.
Assessment may include:
- Review of symptoms and medical history
- Physical examination of the penis and foreskin
- Assessment for scarring or skin disorders
- Evaluation for signs of infection or inflammation
- Urine testing if urinary tract infection is suspected
- Blood glucose testing if diabetes is suspected or previously undiagnosed
- Investigation for recurrent infections where appropriate
Additional imaging or specialised tests are rarely required unless another urological condition is suspected.
What are the Treatment Options for Phimosis?
Treatment depends on the patient's age, the severity of symptoms, and the underlying cause.
Treatment options may include:
- Gentle foreskin stretching exercises under medical guidance
- Topical steroid creams to soften the foreskin and improve retraction
- Treatment of bacterial or fungal infections with appropriate medication
- Improved hygiene measures
- Management of underlying skin conditions
- Circumcision, which removes the foreskin completely
- Preputioplasty, a foreskin-preserving procedure that widens the opening in selected patients
- Dorsal slit procedure in certain emergency or specialised situations
For adults with significant scarring or recurrent infections, circumcision remains the most definitive treatment and provides excellent long-term results.
Following treatment, most patients experience relief from symptoms and improved hygiene, comfort, and urinary function. Seeking medical advice early can prevent complications such as recurrent infections, painful erections, urinary retention, and paraphimosis, a condition in which a retracted foreskin becomes trapped behind the head of the penis and requires urgent medical attention. Regular follow-up may be recommended for patients with underlying skin conditions or recurrent symptoms.