Overview
Osteoporosis is a condition where bone strength becomes weaker due to loss of bone density and bone structure, making fractures more likely. It commonly affects the spine, hips, and wrists, and spinal bone loss can lead to vertebral compression fractures. Osteoporosis is often called a "silent" condition because many people have no symptoms until a fracture occurs. When fractures happen, they can cause pain, stiffness, reduced mobility, and a gradual change in posture.
Symptoms
Many people with osteoporosis feel normal and have no clear symptoms until a low-impact fracture occurs. In the back and spine, vertebral compression fractures can cause new or worsening mid-to-lower back pain, pain that worsens with standing or movement, and sometimes a noticeable loss of height. Over time, posture may become more stooped and daily activities that require bending or lifting may feel more difficult. Some people also notice increased fracture risk after minor falls or normal activities like coughing or twisting.
Causes
Osteoporosis develops when bone breakdown outpaces bone rebuilding over time, leading to reduced bone density and weaker internal bone "microarchitecture." This imbalance makes bones more fragile and less able to withstand everyday stress. The weakened bone can fracture even with minimal trauma, especially in the spine. The exact cause varies and may be related to normal aging, hormonal changes, or secondary medical conditions.
Risk Factors
Risk is higher with increasing age and is more common in women, especially after menopause due to lower estrogen levels. A personal history of fracture, a family history of osteoporosis, low body weight, and prior low-trauma fractures all raise risk. Lifestyle factors such as smoking, heavy alcohol use, and low physical activity contribute as well. Certain medications (especially long-term oral corticosteroids) and medical conditions that affect hormone levels, nutrient absorption, or vitamin D can also increase risk.
Prevention
You can lower risk by getting enough calcium and vitamin D and by maintaining regular weight-bearing and resistance exercises that strengthen bone and muscles. Avoid smoking and limit alcohol, because both can accelerate bone loss. Fall prevention helps prevent fractures, including keeping rooms well-lit, addressing balance issues, and improving strength and gait through safe activity. If you use medications that can weaken bones or have conditions that affect vitamin D or hormones, ask your clinician about prevention and monitoring.
How the Diagnosis Is Evaluated
Clinicians start with a history of fractures, medications, diet, and family risk, and they may assess posture and measure height for possible vertebral fracture signs. A bone density test (usually a DXA scan) is used to quantify low bone mass and determine fracture risk using T-scores and clinical context. Tools like FRAX may be used to estimate a person's 10-year fracture risk. If a fracture is suspected, X-rays or other imaging may be used, and blood or urine tests are sometimes ordered to look for secondary causes such as vitamin D deficiency or thyroid or calcium abnormalities.
Nonsurgical Treatment Options
Non-surgical care focuses on reducing fracture risk and improving safety and function. This often includes prescription bone-strengthening medications such as bisphosphonates, denosumab, or anabolic agents in appropriate patients, along with calcium and vitamin D supplementation when intake is insufficient. Exercise therapy commonly includes supervised strengthening and balance work, posture training, and mobility exercises tailored to avoid movements that increase fall risk. If pain comes from a vertebral compression fracture, clinicians may use short-term pain control, activity modification, and sometimes a bracing approach while the fracture heals. Ongoing monitoring with repeat bone density testing or reassessment of fracture risk helps guide how long treatment continues and when changes are needed.
When to Seek Medical Attention
Seek prompt medical attention if you have new severe back pain, sudden height loss, or symptoms after a low-impact fall, because these can signal a vertebral or other fracture. Get urgent care if you have back pain plus weakness, numbness, trouble walking, or any bowel or bladder changes, which can suggest spinal cord or nerve involvement. Also seek evaluation if you cannot bear weight after a minor injury or if you develop fever or unexplained severe pain. If you have known low bone density, contact your clinician if your risk factors change or you experience any fracture.
Frequently Asked Questions
Yes, osteoporosis often causes no symptoms until a fracture occurs.
The main goal is to strengthen bones and lower the risk of fractures, especially in the spine and hips.
Next Steps
If you have risk factors or any history of a low-trauma fracture, schedule an appointment for bone health evaluation, which may include a DXA scan and blood work for secondary causes. If you have new back pain, height loss, or neurologic symptoms, seek medical care promptly. Bring a list of your medications and any prior imaging reports so your clinician can estimate your fracture risk accurately.