The complications of kyphosis can vary widely depending on the severity, type, age of onset, and whether the condition is treated early or allowed to progress. While some individuals experience only mild symptoms or cosmetic concerns, others face significant physical, psychological, and neurological issues. Understanding the complications of kyphosis is essential for early intervention, risk reduction, and long-term health management.
One of the most immediate and noticeable complications is chronic back pain. The altered spinal alignment places extra stress on muscles, ligaments, and joints, causing persistent discomfort. This mechanical pain is especially common in adults with Scheuermann’s disease or degenerative kyphosis. Over time, continuous strain leads to muscle fatigue, spasms, and reduced mobility. These problems greatly impact daily activities and quality of life.
Respiratory and Digestive Complications of Kyphosis
Respiratory issues are another common complication. Severe kyphotic curves—especially those over 70 to 80 degrees—can compress the chest cavity. This compression limits lung expansion, causing shortness of breath, reduced exercise tolerance, and a higher chance of lung infections. Older adults with osteoporotic kyphosis may see worsening of pre-existing lung conditions like COPD, making their care more challenging.
Digestive problems also arise when spinal curvature presses on the abdominal area. Pronounced kyphosis can push organs such as the stomach and intestines into unusual positions. This may cause acid reflux, feeling full quickly, and abdominal discomfort. Although less common than breathing issues, these gastrointestinal problems should not be overlooked or misdiagnosed.
Neurological and Psychosocial Complications
Neurological problems rank among the more serious complications of kyphosis. Extreme spinal curves can compress the spinal cord or nerve roots. This compression leads to tingling, numbness, weakness, or sharp pain in the arms or legs. In severe cases, kyphosis causes myelopathy—spinal cord compression that can result in poor coordination, trouble walking, or bladder and bowel issues. Early diagnosis and surgery often prevent permanent nerve damage.
The psychosocial impact of kyphosis is frequently underestimated. Visible spinal curves can cause embarrassment, low self-esteem, and social withdrawal, especially in teenagers and young adults. Bullying and self-consciousness in social settings raise the risk of anxiety and depression. Adults may also struggle with body image and confidence, which affect relationships and emotional health.
Functional Limitations and Fracture Risks
Functional limitations are a major concern. As kyphosis worsens, standing for long periods, walking far, or lifting objects becomes difficult. In elderly patients, reduced mobility contributes to frailty, increased fall risk, and dependence on assistive devices or caregivers. These challenges reduce independence and lower quality of life.
In older adults, kyphosis often links to a higher risk of vertebral fractures, especially when caused by osteoporosis. Vertebral wedging weakens the spine, making it prone to collapse even after minor injuries. Each fracture worsens the curvature, creating a vicious cycle of instability and complications. This risk is especially high in postmenopausal women and men with undiagnosed low bone density.
Cardiovascular Effects and Progression
In rare cases, kyphosis affects cardiovascular function. Severe thoracic spine curvature can restrict space for the heart, reducing its efficiency. This may worsen conditions like congestive heart failure, particularly in patients with existing heart problems. While not common, this complication matters in those with combined heart and lung disease.
Kyphosis can also progress over time if untreated. Mild spinal curves often worsen during childhood or teenage growth spurts. In adults, degenerative disc disease, arthritis, and osteoporosis speed up curvature. A progressing deformity raises the risk of complications and reduces the success of treatments like bracing or physical therapy. Ultimately, surgery may become necessary.
Psychological and Post-Surgical Considerations
Living with a chronic spinal condition takes a psychological toll. Health anxiety, frustration with physical limits, and fear of worsening disability cause emotional distress for many. Counselling, therapy, or support groups often help build coping skills and improve mental health.
Post-surgical complications should be acknowledged. Spinal fusion surgery can correct curvature and ease symptoms but carries risks like infection, bleeding, hardware failure, and damage to nearby spinal segments. Recovery is usually long, with months of rehabilitation, making surgery a major decision.
Congenital Kyphosis and Economic Burden
Children with congenital kyphosis—spinal defects present at birth—face early and serious complications. Rapid curve progression, neurological issues, and multiple surgeries are common. Close care from paediatric orthopaedic specialists is vital to reduce future problems.
Finally, kyphosis carries a heavy economic burden. Ongoing treatments, lost income due to disability, and costs for mobility aids or home changes strain individuals and families. Insurance limits and poor access to specialists make managing kyphosis harder, especially in low-resource areas.
Summary of Complications of Kyphosis
In summary, the complications of kyphosis affect nearly every part of life—physical, emotional, and social. From chronic pain and lung problems to mental health issues and mobility loss, untreated or severe kyphosis has far-reaching consequences. Recognising these complications highlights why early diagnosis, regular monitoring, and personalised care are vital to reduce long-term effects and improve overall quality of life.


