Osteoporosis Treatment in Singapore

Osteoporosis affects the skeletal system by reducing bone density and deteriorating bone tissue structure. This condition makes bones more fragile and increases the likelihood of fractures, particularly in the hip, spine, and wrist. The reduction in bone mass occurs gradually and often without noticeable symptoms until a fracture happens. As bones become more porous, they lose strength and structural integrity, leading to a higher risk of breaks even from minor falls or daily activities.

Dr Donovan Tay

Senior Consultant Endocrinologist

Dr Ben Ng

Senior Consultant Endocrinologist

Symptoms of Osteoporosis

Osteoporosis often develops gradually and may go unnoticed until specific symptoms arise. Here are the main symptoms to watch for:

Back Pain

This may result from fractured or collapsed vertebrae, which can compress over time and lead to discomfort. The pain may worsen with movement and can affect posture.
Loss of Height

A gradual reduction in height occurs as vertebrae in the spine compress, often leading to a noticeable decrease of several centimetres over time.
Stooped Posture

Weak and compressed vertebrae can cause the spine to curve forward, resulting in a hunched appearance. This condition is referred to medically as kyphosis.
Frequent Fractures

Bones become more prone to breaking, even from mild stresses or minor falls that typically would not cause fractures in healthy bones.
Bone Pain

Persistent discomfort may occur as bones weaken and lose density, particularly in areas affected by advanced bone thinning.

Causes and Risk Factors

Several factors influence the development of osteoporosis, affecting both bone loss rates and the peak bone mass achieved earlier in life. These include:

Gender

Women are at higher risk, particularly post-menopause, as decreased oestrogen levels lead to faster bone loss. Men are also at risk, but typically at older ages and with a slower progression.
Age

Bone density naturally decreases with age. The rate of loss accelerates significantly after the age of 50, increasing susceptibility to osteoporosis.
Frailty

Individuals with less muscles have lower bone mass too. Older individuals who do not maintain muscle mass are at increased risk for falls and fractures. These individuals are particularly more vulnerable to bone loss as they age.
Family History

Genetic factors influence bone health. If close relatives, such as parents or siblings, have experienced osteoporosis or fractures, the likelihood of developing the condition may be higher.
Lifestyle Choices

Smoking decreases blood supply to bones and affects the production of bone-forming cells. Excessive alcohol consumption interferes with bone formation and calcium absorption.
Dietary Factors

Long-term low calcium intake reduces bone density, while vitamin D deficiency impairs calcium absorption and bone mineralisation.

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Diagnostic Methods

Bone Density Scan (DXA)

This scan uses low-dose X-rays to measure bone mineral density (BMD) at specific skeletal sites, typically the hip and spine. The test generates T-scores, which compare the individual’s BMD to that of a young adult at peak bone mass. A T-score of -2.5 or lower is diagnostic of osteoporosis. DXA is a key tool for assessing fracture risk and monitoring treatment effectiveness.

Blood Tests

Laboratory tests measure calcium, phosphate, vitamin D levels, and other markers of bone metabolism, such as alkaline phosphatase and parathyroid hormone (PTH). These tests help identify underlying conditions, such as vitamin D deficiency or metabolic disorders, that contribute to bone loss and inform targeted treatment strategies.

X-rays

Standard radiographs are used to detect fractures and evaluate structural changes in bones. While X-rays cannot directly diagnose osteoporosis, they can identify vertebral fractures, bone deformities, or other indications of advanced bone loss.

Treatment Options

Osteoporosis treatment aims to prevent fractures, slow bone loss, and maintain bone strength using a range of strategies.

Bisphosphonates

These medications reduce bone loss by inhibiting osteoclasts, the cells responsible for removing old bone tissue. Reducing the function of these cells with bisphosphonates can help to prevent the deterioration of bone density. Bisphosphonates are available in oral or injectable forms, with dosing schedules ranging from weekly tablets to annual infusions.

Biological Agents

Denosumab, a monoclonal antibody, targets specific proteins involved in bone remodelling, particularly the osteoclast to slow bone loss. It is administered via subcutaneous injection every six months.

Anabolic Agents

Medications like teriparatide or Romosozumab stimulate new bone formation, addressing bone loss more directly. These treatments involve daily or monthly injections, typically prescribed for a limited duration, such as 12 to 24 months.

Prevention and Management

Preventing osteoporosis involves maintaining adequate calcium and vitamin D intake through diet or supplements, engaging in regular weight-bearing exercises to strengthen bones and improve balance, and avoiding smoking and excessive alcohol consumption. Regular bone density monitoring enables early detection and intervention. A nutrient-rich diet supports bone health, while fall-proofing living spaces – by securing rugs, using non-slip mats, and improving lighting – helps reduce fracture risk.

Frequently Asked Questions

How often should bone density scans be performed?

The frequency depends on the indication of the scan, if it is done for screening or monitoring. For untreated older individuals (generally over 65 years old) or post-menopausal women younger than 65 years with individual risk factors, a screening BMD is recommended. Follow-up serial screening BMD in these patients who are not considered osteoporosis can determine whether treatment should be initiated in untreated patients. The frequency of the follow-up scan should be discussed with your doctor as it depends on your fracture risk profile. With regards to bone density scans done for monitoring , those taking osteoporosis medications may need more frequent monitoring, such as within 1- 2 years, to assess treatment effectiveness.

Can osteoporosis be reversed?

While existing bone loss cannot be completely reversed, proper treatment can increase bone density and reduce fracture risk. New bone formation can occur with appropriate medication and lifestyle changes.

Does exercise increase fracture risk in osteoporosis?

Supervised, appropriate exercise can reduce fracture risk by improving strength and balance. A physiotherapist can design a safe exercise programme that avoids high-impact activities and focuses on proper movement patterns. Generally, strength training to help build muscles, exercise that increases flexibility and balance, and weight bearing exercises are helpful in people with osteoporosis.

Dr Ben Ng

Senior Consultant Endocrinologist

As a senior consultant endocrinologist with over 20 years of clinical experience, Dr Ben Ng provides comprehensive care for patients managing various endocrine conditions. His expertise includes the diagnosis and treatment of diabetes, thyroid disorders, obesity, and a range of other metabolic and endocrine conditions.

Dr Ben Ng Jen Min graduated from the Queens University of Belfast Northern Ireland, United Kingdom (UK).
He completed his postgraduate training with the certificate of completion of training (CCT) from the Royal College of Physicians (UK) with dual accreditation in diabetes and endocrinology and in general internal medicine.
In 2010, he was awarded an MD with honours by the University of Hull, UK, in recognition for his research in diabetes mellitus

Dr Donovan Tay

Senior Consultant Endocrinologist

As a senior consultant endocrinologist with over 20 years of clinical experience, Dr. Donovan Tay provides comprehensive care for patients managing various endocrine conditions. His expertise includes the diagnosis and treatment of diabetes, thyroid disorders, osteoporosis, and a range of other metabolic and endocrine conditions.

Dr. Donovan Tay graduated from the National University of Singapore (NUS) and obtained his membership in the Royal College of Physicians (UK), Master of Medicine (NUS), and Master of Clinical Investigation (NUS).
After completing training in endocrinology, he was conferred as a Fellow of the Academy of Medicine, Singapore (FAMS).
He further specialised in endocrinology with a fellowship at the prestigious Columbia University Medical Centre in New York City.

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