Adult circumcision is more common in Singapore than most men realise, and the reasons men consider it are more varied than any checklist suggests. Some arrive at the question through a medical problem they have been managing — or ignoring — for years. Others are prompted by a new relationship, a religious transition, or a preference they have held for some time but never acted on. A smaller number come in after reading about potential health benefits and wanting an honest clinical assessment of the evidence.
What all of these men have in common is that they have generally done some research before presenting, and that research has usually left them more confused rather than less. The available information on adult circumcision in Singapore tends toward two extremes: clinic marketing that emphasises speed and simplicity, and forum discussions that range from the anecdotal to the alarming. A clinical overview that takes the question seriously sits between those extremes, and that is what this article attempts to provide.
This article covers who considers adult circumcision and why, which reasons are medically indicated versus elective, what alternatives to circumcision exist and when they are appropriate, and what the consultation before any decision should involve. A companion article covers technique choices in detail.
Adult circumcision in Singapore: the clinical context
Singapore’s circumcision rate sits at approximately 14.9% for males aged 15 and older, based on data published in 2016.[1] This figure is lower than countries with near-universal neonatal circumcision practices — such as the United States, where rates historically exceeded 70% — and reflects the fact that in Singapore, circumcision is not routine at birth and is predominantly performed for religious, cultural, or medical reasons.
The majority of circumcisions performed in Singapore are on Muslim males, for whom it is a religious requirement. Adult circumcision — defined here as circumcision performed on men aged 18 and above — is a distinct clinical category. The patient has full autonomy over the decision, is making it in the context of adult anatomy and health, and typically has specific reasons that need to be assessed rather than assumed.
The adult circumcision patient is not a paediatric patient grown up. His anatomy is different, the clinical considerations are different, and what he wants from the consultation is different. He is weighing a surgical decision that will permanently change his body, and he deserves the information to do that properly.
Medical reasons for adult circumcision
The medical indications for adult circumcision are well-established. For men in whom a clinical indication is present, circumcision is not an elective cosmetic procedure — it is a surgical treatment for a condition that has not resolved with more conservative measures.
Phimosis
Phimosis — the inability to fully retract the foreskin over the glans penis — is the most common medical reason for adult circumcision. It is important to understand that phimosis is not a single condition. It exists on a spectrum, and it exists in two clinically distinct forms.
Primary (physiological) phimosis is normal in newborns and young boys: the foreskin is naturally non-retractile and separates gradually through childhood and adolescence. A 2020 systematic review published in Urology, drawing on 13 studies covering 17,136 adult men, found adult phimosis prevalence at approximately 3.4% (95% CI 1.8–6.6) in uncircumcised men, reflecting that most physiological phimosis resolves spontaneously by adulthood without intervention.[2]
Secondary (pathological) phimosis is acquired in adult life and represents a different clinical problem entirely. It is most commonly caused by lichen sclerosus (LS) — a chronic inflammatory skin condition affecting the genital skin — and less commonly by recurrent infections, diabetes-related skin changes, or trauma-induced scarring. A 2021 study published in Urology found that among adult men undergoing circumcision for phimosis, histological examination confirmed lichen sclerosus in 67.4% of cases — and that clinical diagnosis alone underestimated this: 28.3% of men with clinically healthy-looking skin were found to have LS on pathology.[3] A larger 2024 retrospective study of 841 patients confirmed LS in 30.6% of circumcision specimens overall.[4]
This matters clinically because lichen sclerosus has implications beyond the foreskin — it is a chronic condition requiring long-term management and, in a small proportion of cases, is associated with penile malignancy. A man with acquired phimosis whose foreskin is sent for histological examination after circumcision may receive a diagnosis of LS that changes his follow-up plan. Not every clinic discusses this in advance.
Clinical point: Acquired phimosis in an adult is not the same condition as physiological tight foreskin in a child. Its causes, implications, and appropriate treatment differ. A thorough assessment before deciding on circumcision is warranted.
Lichen sclerosus is underdiagnosed. If you have persistent tightening, white discolouration, or scarring of the foreskin that has not been properly investigated, a clinical assessment is worth arranging — not for circumcision specifically, but to establish what is actually going on.
Recurrent balanitis and balanoposthitis
Balanitis — inflammation of the glans — and balanoposthitis — inflammation of both the glans and foreskin — are common foreskin-related conditions in adult men, particularly in those with diabetes, those with poor foreskin hygiene, or those with lichen sclerosus. When episodes are frequent and do not respond adequately to topical treatment, circumcision eliminates the anatomical environment in which these infections recur.
Singapore’s high diabetes prevalence — 9.1% of residents aged 18 to 74 according to the MOH National Population Health Survey 2023–2024[5] — means that diabetic balanitis is a clinically significant presentation in local adult circumcision practice. The combination of impaired glucose control and a warm, humid climate creates conditions that predispose uncircumcised diabetic men to recurrent fungal and bacterial infections under the foreskin.
Paraphimosis
Paraphimosis is a urological emergency: the foreskin, once retracted, becomes trapped behind the glans and cannot be returned to its normal position, causing constriction, swelling, and compromised blood flow. Acute paraphimosis requires immediate reduction — surgical or manual — and circumcision is generally recommended subsequently to prevent recurrence.
Tight frenulum
A short or tight frenulum — the band of tissue connecting the underside of the glans to the foreskin — can cause discomfort, tearing during intercourse, or deviation of the glans during erection. This is frequently conflated with phimosis but is a distinct anatomical issue. Importantly, a tight frenulum does not require full circumcision to treat. Frenuloplasty or frenulectomy — a brief, targeted surgical procedure — addresses the frenulum directly without removing the foreskin.
Alternatives to circumcision: what exists, and when to consider them
This is the section most conspicuously absent from most clinic content on circumcision. Not every man with a foreskin-related concern requires circumcision, and for some the appropriate first step is a non-surgical intervention. Knowing what the alternatives are — and which clinical situations they suit — is part of informed decision-making.
Topical steroid therapy for phimosis
For primary phimosis without significant scarring or underlying skin disease, a course of high-potency topical corticosteroid cream — applied to the tight foreskin opening over several weeks — is an established first-line non-surgical treatment. However, steroid creams work best for pre-pubertal patients because the foreskin tends to be able to absorb and respond to the cream better. A 2022 systematic review in Expert Opinion on Pharmacotherapy found topical steroids to be an effective option in adults with phimosis, with the caveat that high-potency agents (such as clobetasol propionate 0.05%) are required, recurrence is possible over the long term and patients did not have any underlying diseases like diabetes or lichen sclerosus.[6] Topical steroids therefore are less effective when phimosis is caused by lichen sclerosus with established scarring, and are generally not appropriate in cases of pathological secondary phimosis where surgical intervention is already indicated.
Preputioplasty
Preputioplasty — a foreskin-widening procedure — involves small incisions to widen the foreskin opening without removing the foreskin itself. It is appropriate for selected men with phimosis who wish to retain their foreskin and whose anatomy and clinical picture support foreskin-preserving surgery. It is not appropriate where lichen sclerosus is present or where the foreskin is significantly scarred. The consultation determines suitability.
Frenuloplasty or frenulectomy
For men whose primary concern is a tight or short frenulum rather than foreskin tightness, surgical release of the frenulum alone — either by widening (frenuloplasty) or division (frenulectomy) — is a brief outpatient procedure with generally quick recovery. Many men who present asking about circumcision for frenulum-related problems are offered this as the more targeted option.
Elective and personal reasons
Not every man considering adult circumcision has a medical indication. A significant proportion are making an elective decision — one driven by hygiene preferences, aesthetic considerations, relationship or partner preferences, religious conversion, or cultural alignment. These are legitimate reasons, and they are not inherently less valid than medical ones. What they require is a different kind of consultation.
For a man with a medical indication, the primary clinical question is whether circumcision is the most appropriate treatment for his condition, and whether alternatives should be tried first. For a man making an elective decision, the primary question is whether he has a realistic understanding of what the procedure involves, what recovery requires, what outcomes are achievable, and what the permanent nature of the decision means for him. That is not a shorter or simpler conversation.
Hygiene
Improved hygiene is a frequently cited reason for elective circumcision. The circumcised penis is, in practice, easier to keep clean — the subpreputial space where smegma, moisture, and bacteria accumulate is removed. For men who struggle with recurrent minor infections or irritation without a formal diagnosis of balanitis, the hygiene benefit may be clinically real. For men with normal foreskin hygiene and no symptoms, it is a preference rather than a health imperative.
Religious conversion
For men converting to Islam, circumcision is a religious requirement. Singapore’s Muslim community has well-established guidance from MUIS on this, and adult converts who have not previously been circumcised represent a specific patient group with both religious and clinical considerations to address. The procedure is the same; the consultation may include additional context around the religious framing and recovery expectations.
Sexual and aesthetic preferences
Some men have aesthetic preferences about their own anatomy, or preferences expressed by partners, that factor into their consideration of adult circumcision. These are handled without judgment in a properly run consultation. The relevant clinical questions are the same as for any elective procedure: realistic expectations, understanding of outcomes, acknowledgment of the permanence of the decision.
If you are unsure whether your symptoms warrant circumcision or whether an alternative procedure — preputioplasty or frenulectomy — might address the problem more conservatively, that question is exactly what a first consultation is for.
The STI prevention question: what the evidence supports for adult men in Singapore
Several clinics in Singapore list STI risk reduction — including reduced HIV risk — as a benefit of circumcision. The evidence behind this claim is worth examining carefully before it is used as a reason for elective adult circumcision.
Three large randomised controlled trials conducted in sub-Saharan Africa under WHO and PEPFAR programmes demonstrated that medical male circumcision reduced HIV acquisition risk in heterosexual men by approximately 60%.[7] These trials are robust, and the finding is real in the populations studied. However, several important caveats apply to their application in Singapore.
The trials were conducted in settings of high heterosexual HIV transmission, with HIV prevalence in the female population substantially higher than in Singapore. The protection conferred reflects the specific transmission dynamics of those settings. Singapore’s HIV epidemiology is different: the majority of new HIV cases in Singapore involve men who have sex with men, among whom the transmission pathway — receptive anal intercourse — is not meaningfully affected by male circumcision status.[8] For heterosexual transmission in Singapore’s lower-prevalence context, the absolute risk reduction from circumcision is substantially smaller than the relative risk figures from the African trials suggest.
Circumcision is not a substitute for condom use, HIV PrEP, or regular STD testing. It is one factor among many in sexual health risk management. For men making a circumcision decision, STI prevention should be considered in this context — not as the primary justification for an elective surgical procedure.
In some cases, patients with a chronic Herpes Simplex infection that frequently occurs at the foreskin can benefit from a circumcision. This is because herpes flares tend to recur at the same location, therefore instead of always having a painful foreskin each time there is a herpes flare which can impede the flow of urine, having a circumcision will make sure that while the patient may have flares in other parts of the genitalium, the patient will still be able to pass urine comfortably.
The honest position: The evidence for HIV risk reduction from circumcision comes from sub-Saharan African heterosexual transmission settings. Its applicability to adult elective circumcision in Singapore’s specific epidemiological context is limited. STI prevention alone is not a strong clinical rationale for circumcision in Singapore.
What the consultation before a decision should involve
The decision to proceed with adult circumcision — whether for medical or elective reasons — should be made after a consultation that covers the following.
A proper clinical assessment.
For men with a medical reason, this means examination of the foreskin and assessment of the underlying condition — including whether there are features that suggest lichen sclerosus, recurrent infection, or other pathology that affects the management plan. For men with a tight frenulum, it means distinguishing frenulum tightness from phimosis. For men with a history of diabetes, it means understanding how this affects healing and surgical risk.
Discussion of alternatives.
A good consultation includes an honest discussion of whether alternatives — steroid therapy, preputioplasty, frenuloplasty — are appropriate for the presenting concern, before circumcision is recommended.
Technique discussion.
Device-based techniques (Shang Ring, ZSR stapler) and sutured circumcision have different clinical profiles, different trade-offs, and different suitability for different patients. This deserves a proper explanation. The technique article in this series covers this in detail. Regardless of which technique is chosen, the doctor performing the procedure should be competent in conventional sutured circumcision — device-based procedures can occasionally require conversion to open surgery, whether due to anatomical variation, unexpected bleeding, or device failure, and the ability to manage that situation safely depends on clinical training that no device can substitute for. It is a reasonable question to ask before proceeding.
The technique used for circumcision has a direct bearing on the result, the recovery, and what the procedure involves day-to-day. That conversation is worth having with the surgeon before you book — not after.
Realistic recovery outcome setting.
Recovery from adult circumcision typically requires four to six weeks before return to full sexual activity. The healing period is manageable, but it is not trivial. Men who have been told the procedure is a five-minute walk-in walk-out experience are sometimes unprepared for what recovery involves.
Every man's recovery is slightly different, and what to expect depends on the technique used and your individual circumstances. If you have specific concerns about work, activity, or the recovery period, a consultation is the place to raise them.
Acknowledgement of the permanent nature of the decision.
Circumcision is not reversible. The consultation is the appropriate place to confirm that the man has considered this, understands it, and is making the decision on that basis. That is not a bureaucratic formality — it is a clinically important part of informed consent.
The practical point
Most men who consider adult circumcision have been thinking about it for longer than they let on in a first consultation. The concern — whether medical or personal — has often been present for months or years before the appointment is booked. The right response to that is a consultation that respects the seriousness of the decision, provides the clinical information needed to make it, and does not push toward or away from any particular outcome before the picture is properly mapped.
Circumcision is a straightforward surgical procedure in the right hands and for the right indication. The work is in the assessment and the conversation that precede it.
Adult circumcision is a considered decision, not a quick procedure. The reasons men seek it vary — and the right technique, the expected result, and what the recovery involves all depend on your specific situation. A consultation is the right starting point, before committing to a method or a timeline.
- Morris BJ, Wamai RG, Henebeng EB, Tobian AAR, Klausner JD, Banerjee J, Hankins CA. Estimation of country-specific and global prevalence of male circumcision. Popul Health Metr. 2016 Mar 1;14:4. doi:10.1186/s12963-016-0073-5. PMID: 26933388. PMC4772313.
- Morris BJ, Matthews J, Krieger JN. Prevalence of phimosis in males of all ages: systematic review. Urology. 2020 Jan;135:124–132. doi:10.1016/j.urology.2019.10.003. Epub 23 Oct 2019. PMID: 31655079.
- Czajkowski M, Żawrocki A, Czajkowska K, et al. Lichen sclerosus and phimosis — discrepancies between clinical and pathological diagnosis and its consequences. Urology. 2021;148:274–279. doi:10.1016/j.urology.2020.11.027. PMID: 33248142.
- Bighetti S, Mancon S, Suardi N, Calzavara-Pinton P, Maione V, Arisi M, Lughezzani G, Zerbinati N, Ghini I, Bettolini L. Evaluating lichen sclerosus in phimosis: insights from a multidisciplinary retrospective study. Australas J Dermatol. 2025;66:e39–e42. doi:10.1111/ajd.14417. PMC11898142.
- Ministry of Health Singapore. National Population Health Survey 2023–2024. moh.gov.sg.
- Lygas A, Joshi H. An evaluation of the pharmacotherapeutic options for the treatment of adult phimosis: a systematic review of the evidence. Expert Opin Pharmacother. 2022;23(9):1115–1122. doi:10.1080/14656566.2022.2075697. PMID: 35536559.
- Auvert B, Taljaard D, Lagarde E, Sobngwi-Tambekou J, Sitta R, Puren A. Randomized, controlled intervention trial of male circumcision for reduction of HIV infection risk: the ANRS 1265 Trial. PLoS Med. 2005;2(11):e298. PMID: 16231970. Also: Bailey RC et al. Male circumcision for HIV prevention in young men in Kisumu, Kenya. Lancet. 2007;369(9562):643–656. PMID: 17321310. And: Gray RH et al. Male circumcision for HIV prevention in men in Rakai, Uganda. Lancet. 2007;369(9562):657–666. PMID: 17321311.
- Ministry of Health Singapore. Update on the HIV/AIDS Situation in Singapore 2023 (July 2024). moh.gov.sg.