Gout in Singapore: The Most Under-Treated Painful Condition
Dr. Peter Chang
Triple Board-Certified Cardiologist & Vascular Specialist

Gout Is Almost Entirely Controllable — So Why Isn't It?
Yet a 2023 real-world cohort study from Singapore and Southeast Asia published in Frontiers in Medicine found that 28.2% of patients had poorly-controlled gout, and of those, only 46.3% were even prescribed allopurinol. Only 13.4% were taking doses of 300 mg or more — the dose range typically required to reach the urate target. This is not a disease where treatment is difficult, expensive, or experimental. It is a disease where treatment is frequently not attempted.
- 28.2% of gout patients in Southeast Asian real-world cohort had poorly-controlled disease
- Only 46.3% of poorly-controlled patients were prescribed allopurinol at all
- Only 13.4% were on doses ≥300 mg — the range needed to reliably hit the urate target
- Allopurinol is on the WHO Essential Medicines List and costs pennies per day
What Causes Gout? The Uric Acid Crystal Story
The sudden eruption of a gout flare is driven by the NLRP3 inflammasome — an innate immune pathway that recognises urate crystals as foreign and triggers an acute inflammatory cascade. The pain is not metaphorical. Patients consistently describe a gout attack as among the worst pain they have ever experienced. Understanding this mechanism matters because it explains why dietary changes alone rarely suffice, and why urate-lowering medication is the only reliable long-term solution in Singapore and globally.

Recognising a Gout Attack: Not Just a Sore Big Toe
Between attacks, patients enter what is called the intercritical period — a symptom-free window that can last months or years. This is the most dangerous phase clinically, because patients feel well and are therefore most likely to stop their medication. Uric acid crystals, however, continue to accumulate silently in joints. Chronic tophaceous gout — with visible chalky white urate deposits under the skin — is the avoidable end stage of undertreated disease, and we still see it at our clinics in Singapore.
- Big toe (podagra) in ~50% of first attacks; ankle, knee, and wrist also common
- Onset is typically nocturnal; peak pain within 12–24 hours of the first symptom
- Intercritical gout: the symptom-free interval between attacks — crystals are still accumulating
- Tophi: chalky urate deposits under the skin, visible in chronic untreated disease
- Associated conditions in Singapore: hypertension, CKD, metabolic syndrome, and diuretic use all raise uric acid
The HLA-B*5801 Test: Why Singapore Patients Need It Before Starting Allopurinol
The frequency of HLA-B*5801 in Singapore is approximately 18.5% among Chinese — roughly 1 in 5. It is less common in Malays (approximately 1 in 15) and Indians (approximately 1 in 25), but still present across all major ethnic groups. Both the 2020 ACR guidelines and the 2016 EULAR guidelines recommend genetic testing for HLA-B*5801 before initiating allopurinol in patients of East and Southeast Asian descent. At Paragon Medical Centre, this test is part of our standard pre-treatment workup for gout in Singapore. It should not be bypassed.
- HLA-B*5801 prevalence: ~18.5% in Singapore Chinese, ~6.7% in Malays, ~4% in Indians
- Allopurinol hypersensitivity syndrome (DRESS) has up to 25% mortality in severe cases
- ACR 2020 and EULAR 2016 both recommend HLA-B*5801 testing in East/Southeast Asian patients
- HLA-B*5801-positive patients require febuxostat or benzbromarone as alternative urate-lowering agents
- This test is available at most hospital labs in Singapore and takes 3–5 working days

Why Patients Stop Allopurinol — and the Trap It Sets
The data are unambiguous. A large US cohort study found that 57% of gout patients on allopurinol were non-adherent, and adherent patients were 2.5 times more likely to achieve target serum urate than non-adherent patients. More recent simulation research found that patients who take repeated drug holidays of more than 3 consecutive days are at least 70% less likely to achieve adequate urate control. Missing one or two doses occasionally does not significantly matter — but sustained breaks do, and patients who stop for weeks at a time effectively reset the clock on their disease control.
- 57% of gout patients on allopurinol are non-adherent in large US cohort studies
- Adherent patients are 2.5× more likely to achieve the urate target of <6 mg/dL
- Drug holidays >3 consecutive days (taken repeatedly) → at least 70% less likely to achieve urate control
- Allopurinol initiation flares are common and mistaken for drug failure — they are expected and manageable
- Colchicine or low-dose NSAID prophylaxis for the first 3–6 months of allopurinol reduces initiation flares significantly
The 'Rich Man's Disease' Myth — and Why It Still Damages Patients
The modern reality is precisely inverted. A cross-sectional study in The Journal of Rheumatology found that gout severity was associated with individual-level socioeconomic deprivation, not affluence. Gout now correlates strongly with metabolic syndrome, obesity, hypertension, chronic kidney disease, and diuretic use — conditions concentrated in lower socioeconomic strata. In Singapore, where gout affects approximately 4.1% of Chinese adults and predominantly affects men, the cultural mythology causes real clinical harm: patients delay presentation out of embarrassment, minimise their symptoms, and resist medication because of the shame attached to what they perceive as a self-inflicted condition.
The Treat-to-Target Approach: What 6 mg/dL Actually Means
The recommended approach is “start low, go slow”: begin allopurinol at 100 mg daily, increase by 100 mg every 4 weeks while monitoring serum urate, until the target is reached. Most patients need 300 mg; some with renal impairment require dose adjustment. Regular uric acid testing is essential but frequently omitted — only 48.3% of patients had uric acid levels monitored within six months of initiating therapy in one large study. At Paragon Medical Centre in Singapore, we treat gout as a chronic disease with a measurable target, not as a series of flares to be managed reactively.
- Target serum urate: <6 mg/dL (360 μmol/L) — per ACR 2020 and EULAR 2016 guidelines
- Start allopurinol at 100 mg daily; titrate by 100 mg every 4 weeks to target
- Check serum urate every 4 weeks during titration, then every 6 months once stable
- Only 48.3% of patients had uric acid monitored within 6 months of starting therapy in real-world data
- Tophi typically begin dissolving within 6–12 months of sustained urate control
When to See a Specialist for Gout in Singapore
We see many gout in Singapore patients who have been managing acute attacks reactively — colchicine or indomethacin for each flare — for years without anyone having established a long-term urate-lowering plan. A single consultation, a uric acid level, and a structured medication plan is usually all that is needed to move from reactive to preventive management. Gout is one of the most treatable chronic conditions in medicine. The tragedy is that it so often goes untreated.
Frequently Asked Questions
Common Questions About Gout in Singapore
What is the best treatment for gout in Singapore?
For most patients, allopurinol is the first-line treatment — it lowers uric acid production and, taken consistently, prevents attacks entirely. Before starting it in Singapore, HLA-B*5801 genetic testing is recommended given its higher prevalence in Chinese patients. Acute flares are managed with colchicine, NSAIDs, or corticosteroids. Diet modification helps but is rarely sufficient as a sole treatment for established gout.
Do I need to take allopurinol for life?
For most patients with recurrent gout, yes. Allopurinol does not cure gout — it controls it. Stopping the medication allows uric acid to rise again, crystals to reform, and flares to return. Think of it like blood pressure medication: the underlying tendency remains. Some patients with a single flare, very mildly elevated urate, and excellent dietary control may be exceptions, but this is a conversation to have with your doctor.
What foods trigger gout attacks in Singapore?
High-purine foods are the main dietary culprits: organ meats (liver, kidney), shellfish (prawns, crab, clams), red meat, and sardines. Beer raises urate both through its purine content and by reducing uric acid excretion. Fructose-sweetened soft drinks are underappreciated triggers. Dairy products, surprisingly, are mildly urate-lowering and do not need to be restricted. Diet alone can reduce urate by roughly 1 mg/dL — helpful but usually not enough without medication.
Is gout dangerous if left untreated in Singapore?
Yes, beyond the pain. Chronic hyperuricaemia is associated with progressive kidney damage, nephrolithiasis (kidney stones), and the development of tophi — hard urate deposits that can erode bone and destroy joints permanently. Gout is also associated with cardiovascular disease, though causality is debated. The pain of untreated flares is also severe enough to cause work absences and significantly reduce quality of life.
What is the HLA-B*5801 test and do I need it before starting allopurinol in Singapore?
HLA-B*5801 is a genetic variant that increases the risk of a rare but potentially fatal skin reaction to allopurinol called DRESS syndrome. Around 1 in 5 Singapore Chinese carry this allele. Both the ACR and EULAR guidelines recommend testing before starting allopurinol in East and Southeast Asian patients. The test is a simple blood test, takes 3–5 days, and should be standard practice before allopurinol is initiated in Singapore.
Can gout be cured without medication?
Not reliably. Diet and lifestyle changes — reducing alcohol, avoiding high-purine foods, losing weight, staying well-hydrated — can lower uric acid by roughly 1 mg/dL. For patients whose urate is only marginally above target, this might suffice after a single flare. For the majority with established gout and urate above 8 mg/dL, diet alone cannot close the gap. Medication is not a last resort — it is the most effective tool available.