What is osteoporosis?
Bone is living tissue that is continuously renewed. Osteoporosis develops when bone strength falls enough that a minor fall, ordinary movement or other low-impact event can cause a fracture. These are called fragility fractures and most often involve the spine, hip, wrist or upper arm.
Osteoporosis is often silent. Many people feel completely well until a fracture occurs. Sudden back pain, loss of height or a more curved upper back can sometimes indicate a vertebral compression fracture, but back pain by itself does not prove osteoporosis.
Who should consider an osteoporosis assessment?
- Anyone with a fracture after a minor fall or low-impact event, particularly after age 50
- Postmenopausal women and men aged 50 or older who have important fracture-risk factors
- People with unexplained height loss, spinal curvature or new thoracic back pain
- Patients taking oral steroids such as prednisolone for several months
- Women with early menopause and men or women with prolonged low sex-hormone levels
- People with very low body weight, recurrent falls or a parental history of hip fracture
- People with rheumatoid arthritis, malabsorption, coeliac disease, thyroid or parathyroid disease, diabetes, chronic liver disease or selected kidney and blood disorders
How osteoporosis is diagnosed
1. Fracture and medical history
A prior hip or vertebral fragility fracture can establish very high fracture risk even when a DXA number is not dramatically low. The assessment should also review falls, family history, menopause or testosterone status, smoking, alcohol, nutrition, exercise and medicines that may weaken bone.
2. Central DXA scan
A central dual-energy X-ray absorptiometry (DXA) scan measures bone mineral density at the hip and spine. In postmenopausal women and men aged 50 or older, a T-score of −2.5 or lower is consistent with osteoporosis when other bone diseases have been considered. A result between −1.0 and −2.5 is called low bone mass or osteopenia; it does not automatically mean that medicine is needed.
3. Fracture-risk assessment
Tools such as FRAX can estimate ten-year fracture probability when used in an appropriate population. The number must still be interpreted with clinical judgement because falls, recent fractures, diabetes, steroid dose and differences between spine and hip density may not be fully represented.
4. Vertebral imaging when indicated
Spine imaging may be useful after acute back pain in a person at risk, marked height loss, kyphosis, long-term steroid exposure or a very low T-score. A previously unrecognized vertebral fracture can substantially change treatment urgency.
5. Looking for secondary causes
Laboratory evaluation is individualized. It may include blood count, kidney and liver function, calcium, albumin, phosphate, alkaline phosphatase, 25-hydroxyvitamin D and thyroid tests. Depending on the history, additional testing may examine parathyroid hormone, testosterone or other reproductive hormones, coeliac disease, cortisol, protein disorders or urinary calcium. Not every patient needs every test.
What causes osteoporosis?
Ageing and loss of estrogen after menopause are common contributors, but osteoporosis is not exclusively a women’s disease. Men develop it too. Often several factors act together:
- Age and inherited risk: older age, family history, previous fracture and a naturally smaller body frame
- Hormonal factors: menopause, low testosterone, hyperthyroidism, excess thyroid replacement, hyperparathyroidism or excess cortisol
- Medicines: prolonged glucocorticoids and selected medicines used for cancer, seizures or other chronic conditions
- Medical conditions: rheumatoid arthritis, malabsorption, coeliac disease, diabetes, chronic inflammatory illness and selected kidney, liver or blood disorders
- Nutrition and lifestyle: inadequate calcium or vitamin D, low protein intake, physical inactivity, smoking, excess alcohol and recurrent falls
Vitamin D deficiency can worsen bone and muscle health, but it is not identical to osteoporosis. Likewise, a normal blood calcium level does not guarantee normal bone strength because the body tightly regulates calcium in the bloodstream.
Possible osteoporosis treatments
The purpose of treatment is to prevent fractures—not simply to improve a scan number. The plan depends on age, fracture history, DXA findings, estimated fracture risk, kidney function, calcium and vitamin D status, dental health, other illnesses, pregnancy considerations, affordability and the ability to continue follow-up.
Bone-health foundation
- A balanced diet with sufficient calcium, protein and vitamin D
- Vitamin D or calcium supplementation when dietary intake, testing or clinical circumstances support it
- Progressive weight-bearing and muscle-strengthening activity appropriate to ability
- Balance training, vision review, footwear and home-safety measures when falls are a concern
- Avoiding smoking and limiting excess alcohol
These measures support treatment, but calcium and vitamin D alone are usually not enough for someone at high fracture risk.
Medicines that slow bone breakdown
Oral bisphosphonates such as alendronate or risedronate, or intravenous zoledronic acid, are commonly used first-line treatments when appropriate. Denosumab is a potent alternative for selected patients, but it must be given reliably every six months and should never be stopped without a follow-on antiresorptive plan.
Medicines that build new bone
People at very high fracture risk—such as those with recent or multiple vertebral fractures—may need specialist assessment for an anabolic treatment such as teriparatide, abaloparatide or romosozumab where available and appropriate. An antiresorptive medicine is generally required afterward to preserve the benefit.
Hormone-related options for selected women
Menopausal hormone therapy or a selective estrogen receptor modulator may be considered in carefully selected women after review of age, symptoms, fracture risk and risks such as thrombosis, breast cancer or cardiovascular disease. These are not universal osteoporosis treatments.
How to choose an osteoporosis doctor in Lahore
Patients searching for the “best osteoporosis doctor in Lahore” should look beyond a promotional title. Useful osteoporosis care should connect the fracture history, DXA scan, secondary causes, kidney and calcium safety, dental considerations, medicine choice and a long-term follow-up or discontinuation plan.
Dr. Fowad is an American Board-Certified Physician in Internal Medicine and Nephrology whose Pakistan practice includes endocrine and metabolic care. This background is particularly useful when osteoporosis overlaps with diabetes, steroid exposure, calcium abnormalities or kidney disease. Patients who require orthopedic fracture treatment, spine procedures, cancer care, advanced kidney-bone-disease management or another hospital service are referred appropriately.
When urgent or hospital assessment is more appropriate
New severe back pain after a fall, inability to bear weight, suspected hip fracture, new leg weakness or numbness, loss of bladder or bowel control, confusion, seizures, severe muscle spasms or symptoms of very low or very high calcium require urgent medical assessment rather than a routine clinic booking.
Frequently asked questions
Is osteoporosis the same as vitamin D deficiency?
No. Vitamin D deficiency can affect bone and muscle health, but osteoporosis is a disorder of reduced bone strength and fracture risk. A vitamin D result alone cannot diagnose or exclude osteoporosis.
How is osteoporosis diagnosed?
Diagnosis may use fracture history, a central DXA scan of the hip and spine, clinical risk assessment and, when indicated, vertebral imaging and laboratory testing for secondary causes.
Can men develop osteoporosis?
Yes. Men can develop osteoporosis because of ageing, low testosterone, steroid exposure, medical illness, smoking, alcohol, low body weight or other causes and should be assessed after a fragility fracture or when risk factors are present.
Is denosumab the best osteoporosis treatment for everyone?
No single medicine is best for every patient. Treatment depends on fracture risk, previous fractures, kidney function, calcium and vitamin D status, other illnesses, pregnancy considerations, dental health, medicine tolerance, cost and the ability to continue follow-up.
Primary guidance and evidence
- National Osteoporosis Guideline Group: summary of recommendations, updated September 2024.
- NOGG: fracture-risk assessment, diagnosis and investigation of secondary causes, 2024 guideline.
- American College of Physicians living guideline for pharmacologic treatment of osteoporosis, 2023 with surveillance through February 2025.
- Endocrine Society guideline: pharmacological management of postmenopausal osteoporosis, 2019 with 2020 update.
This page provides general education, not an individual diagnosis or prescription. Medicine availability and regulatory status in Pakistan can change. Treatment should follow a clinical assessment and use a product obtained through an authorized supply chain. No fracture-prevention outcome can be guaranteed.