Osteoporosis in young adults: what to know

Young adulthood is usually a time when bone is maintained or strengthened, but illness, undernutrition, very low body weight, prolonged inactivity, hormonal disruption, or medicines such as long-term steroids can interfere with bone renewal. Some inherited conditions also affect bone quality. A stress fracture during routine activity, a fracture after a modest impact, or persistent bone pain is not proof of osteoporosis, but it merits evaluation. A clinician may distinguish true osteoporosis from temporary changes, measurement limitations, or another bone disorder by combining history, examination, blood tests, imaging, and a bone density scan.

Arrange an appointment after an unexpected fracture or repeated stress injuries. Bring details of training, eating patterns, weight changes, menstrual or sexual-health changes, medicines, supplements, and family history. Avoid abruptly increasing exercise while an injury is painful; a physiotherapist or doctor can set a gradual loading plan. Treatment focuses on the cause when one is found, alongside adequate nutrition, calcium and vitamin D, sensible resistance exercise, and fall or injury prevention. Bone-strengthening medicine may be considered in selected cases rather than assumed from one scan alone.

Seek prompt care for pain that limits walking, pain at rest or during sleep, swelling after a small injury, or a suspected stress fracture. Urgent assessment is needed if a limb looks deformed, you cannot use it, or numbness, weakness, or a cold or pale foot develops. Severe back pain after a minor event also warrants review because vertebral fractures can be subtle.

Ask what may be affecting your bone health and which tests can investigate it. Would a bone density scan be useful at your age? Should nutrition, hormones, kidney or digestive health, and prescribed medicines be reviewed? What exercise and return-to-sport plan is safe? If medicine is suggested, what is the reason and how will progress be checked?