Osteopenia

You can’t feel your bones getting weaker. Osteopenia usually doesn’t cause pain or noticeable symptoms. That means many people don’t know they have low bone density until a screening test finds it or a fracture reveals a problem.

Osteopenia is an early stage of bone loss that falls between normal bone density and osteoporosis. Identifying it early may give you an opportunity to protect your bones and lower your risk of future fractures.

Bone isn’t a fixed structure. It’s living tissue that constantly renews itself throughout life. This ongoing process is called bone remodeling. Specialized cells called osteoclasts break down old bone, while osteoblasts build new bone. When this system stays balanced, bone remains healthy and strong.

Bones generally reach peak density by the late 20s to early 30s. After that, bone breakdown gradually begins to outpace rebuilding. One of the biggest drivers of bone loss is the drop in estrogen that occurs during menopause. That makes women more likely than men to experience bone weakening. Estrogen helps slow bone breakdown and keep bones strong. As estrogen levels decline, bone breakdown speeds up considerably.

Aging also affects bone health at the cellular level. Older bone cells become less efficient at forming new bone. Inflammation in the body can also shift the balance toward bone loss over time.

Anyone can develop osteopenia, but there are risk factors that make it more likely, including:

• Getting older
• Being female, especially after menopause
• Having a small body frame
• Having a family history of osteoporosis or fractures
• Smoking
• Drinking excessive alcohol
• Physical inactivity
• Low calcium or vitamin D intake

Certain medical conditions can also contribute to bone loss, including:

• Hyperthyroidism
• Chronic kidney disease
• Rheumatoid arthritis
• Diabetes
• Celiac disease
• Hormonal disorders such as Cushing syndrome
• Low testosterone in men

Some medications are also associated with reduced bone density, especially if they’re used long term. These include:

• Corticosteroids like prednisone
• Certain anti-seizure medications
• Proton pump inhibitors used for acid reflux
• Some anticoagulants
• Loop diuretics
• Hormone therapies used to treat breast or prostate cancer

Osteopenia usually doesn’t cause symptoms. There’s typically no pain or other warning signs while bone loss is happening, which is why it’s often called a silent condition. You may not know you have low bone density until a screening test finds it or you break a bone after a minor fall or injury.

The main test used to diagnose osteopenia is a dual-energy X-ray absorptiometry (DEXA) scan. This painless imaging test uses very low-dose X-rays to measure bone density, usually at the hip and spine. The scan itself typically takes about 10 to 20 minutes.

Results are reported as a T-score, which compares your bone density to that of a healthy young adult at peak bone mass. T-score ranges are interpreted as:

• -1.0 or above: Normal bone density
• Between -1.0 and -2.5: Osteopenia
• -2.5 or below: Osteoporosis

Routine bone density screening is generally recommended for women aged 65 and older. Younger women and men may also benefit from screening when significant risk factors exist.

Your doctor may also calculate your FRAX score, an internationally used tool that estimates your 10-year fracture risk. This can help determine whether treatment may be appropriate.

In some cases, additional blood work is ordered to look for underlying causes of bone loss, such as:

• Vitamin D deficiency
• Thyroid disorders
• Calcium abnormalities
• Parathyroid disease
• Low testosterone

Treatment focuses on three main goals:

• Slowing bone loss
• Lowering fracture risk
• Helping prevent progression to osteoporosis

Exercise plays a major role in protecting bone health. Weight-bearing exercise helps maintain bone strength and build muscles that support your bones. Walking and resistance training are good choices. Balance exercises may also help reduce falls.

Nutrition matters as well. Calcium helps build and maintain strong bones, while vitamin D helps your body absorb calcium. Most adults need roughly 1,000 to 1,200 mg of calcium daily and about 800 to 1,000 IU of vitamin D, though individual needs can vary.

Lifestyle habits also make a difference. Actions that help include:

• Quitting smoking
• Limiting alcohol intake
• Staying physically active
• Reducing fall risks inside the home

Prescription medications are used more often for osteoporosis than osteopenia. But some people with osteopenia may still benefit from treatment depending on fracture risk and bone density results. Medications that may be considered include:

• Bisphosphonates such as alendronate
• Denosumab
• Selective estrogen receptor modulators (SERMs) like raloxifene
• Hormone replacement therapy in select postmenopausal women

Osteopenia doesn’t automatically mean you’ll develop osteoporosis. Many people maintain stable bone density for years with regular exercise, good nutrition, and ongoing monitoring. Finding bone loss early may give you a chance to protect your bones before fractures happen.

If you’ve been diagnosed with osteopenia or are concerned about bone loss, Diabetes & Glandular Disease Clinic can help. Schedule an appointment to learn more about osteopenia care in San Antonio.

1. Does having osteopenia mean I’ll get osteoporosis?

No. Many people with osteopenia never develop osteoporosis. Taking steps to protect your bones may help slow bone loss and lower your risk of fractures.

2. Can osteopenia be reversed?

Sometimes. Bone density may improve when underlying causes are treated and healthy habits are maintained. Even if it doesn’t return to normal, slowing bone loss can still help protect your bones and lower your risk of fractures.

3. Can I exercise if I have osteopenia?

Yes. Exercise is one of the best ways to support bone health. Walking, strength training, and balance exercises may help keep bones strong and reduce the risk of falls. Talk with your doctor before starting a new exercise program.

4. How often should I have a bone density test?

It depends on your age, risk factors, and previous test results. Your doctor can recommend a schedule that’s right for you.