What Ankylosing Spondylitis Is and How It Affects You

Ankylosing Spondylitis (AS) is a type of long-term inflammatory arthritis that mainly affects the spine and sacroiliac joints, where the spine meets the pelvis. Over time, inflammation can cause stiffness and limited spinal movement, and in some cases, vertebrae may fuse together. Understanding AS early helps with proper treatment and maintaining mobility.

Causes and Risk Factors

The exact cause of AS is not fully known, but genetics play a key role. The HLA-B27 gene is strongly linked to the condition. Having this gene increases risk, but not everyone with it will develop AS. Note that women with AS are commonly delayed in diagnosis, and many clinics are now trying to undo this misconception.

Other risk factors include:

Age: Symptoms usually begin between 15 and 40 years
Sex: Men are affected more often than women
Family history: Having a close relative with AS raises your risk

Common Symptoms

AS often develops slowly, and early symptoms can be mistaken for general back pain. Common signs include:

Chronic lower back pain and stiffness that improves with movement but worsens after rest.
Reduced spinal flexibility over time.
Fatigue caused by ongoing inflammation.
Pain in other joints, such as hips, shoulders, knees, or feet.
In some cases, eye inflammation (uveitis) that causes redness and discomfort.

Early recognition of these symptoms is important for timely care.

How AS Affects the Body

Inflammation in AS primarily affects the spine. Over time, it can lead to:

Spinal fusion, limiting movement of the back
Posture changes, such as a forward stoop
Reduced chest expansion, affecting breathing in severe cases
Joint damage outside the spine, including hips and shoulders

AS can also affect other parts of the body, including the eyes, heart, and lungs in some cases.

Diagnosis

Diagnosis involves:

Medical history and physical exam to check spine flexibility and joint tenderness.
Imaging tests such as X-rays or MRI to detect inflammation or structural changes. X-rays may appear normal early in the disease, which is why MRI can be helpful in some cases.
Blood tests for the HLA-B27 gene and inflammation markers.

EarlFy diagnosis is important to manage symptoms and prevent complications. Blood tests can support the diagnosis, but no single test confirms or rules out ankylosing spondylitis.

Treatment and Management

There is no cure for AS, but treatment can relieve pain, improve mobility, and maintain daily function. Options include:

Medications

NSAIDs for pain and inflammation.
Biologic medications (TNF inhibitors or IL-17 inhibitors) for moderate to severe cases.
Corticosteroid injections may be used in specific joints for short-term relief. Long-term oral steroids are usually avoided.

Physical therapy and exercise

Stretching and strengthening exercises help maintain posture and spinal movement.
Low-impact activities like swimming, walking, or yoga are recommended

Lifestyle adjustments

Maintaining good posture.
Avoiding smoking, which can worsen symptoms.

Surgery

Rarely needed, only for severe joint damage or spinal deformities.

Living with Ankylosing Spondylitis

With proper care, people with AS can manage symptoms and remain active. Key tips include:

Staying active and following a physical therapy plan
Monitoring symptoms and reporting flare-ups promptly
Attending regular check-ups with a rheumatologist

Early care and consistent treatment help prevent serious complications and keep daily life manageable.

Schedule Your Consultation

If you are experiencing chronic back pain, stiffness, or other symptoms of Ankylosing Spondylitis, schedule a consultation at Rheumatology Care of North Houston. Call to discuss diagnosis, treatment options, and a personalized care plan for your spine and joints.