How severe is ankylosing spondylitis?

Ankylosing spondylitis (AS) is a chronic inflammatory rheumatic disease. In mild cases, patients may experience only low back or lumbar discomfort; however, if left unmanaged, the disease can progressively lead to spinal stiffness and joint fusion, significantly impairing physical mobility. Early intervention is highly effective in controlling disease progression. Worsening spinal stiffness and restricted physical mobility warrant prompt medical consultation and standardized treatment.

AS primarily affects the sacroiliac joints and spinal joints. Chronic inflammation persistently damages joint bone and surrounding soft tissues. In the early stage, common symptoms include morning stiffness and dull pain in the lower back or spine—symptoms that often slightly improve with activity. Clinical management focuses on anti-inflammatory therapy, immune modulation, and slowing structural joint damage, complemented by rehabilitation exercises to maintain spinal mobility and prevent rapid disease progression.

As the disease advances, spinal range of motion declines. In severe cases, complete spinal ankylosis and kyphotic deformity may develop, and peripheral joints—including the hips and knees—may become involved, impairing standing and walking ability. Consistent, long-term treatment helps stabilize disease activity and minimize joint destruction. Neglecting daily self-management and pharmacologic therapy accelerates fibrosis of affected joints, potentially leading to permanent functional impairment.

Maintain proper posture in daily life and regularly perform gentle exercises such as spinal stretching and chest expansion. Ensure regular sleep patterns and a balanced diet to support overall health and slow the progression of spinal and joint damage.