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Ankylosing Spondylitis

Diagnosing Ankylosing Spondylitis: 4 Things Doctors Look At

Lauren Smith, MAMandy Armitage, MD
Written by Lauren Smith, MA | Reviewed by Mandy Armitage, MD
Updated on April 10, 2025
Featuring Themistocles Protopsaltis, MDReviewed by Mandy Armitage, MD | April 10, 2025

As with many rheumatoid conditions, there is no single, definitive test to diagnosis ankylosing spondylitis (AS), a chronic condition caused by inflammation of the spine. If someone is experiencing symptoms of AS, such as lower back pain and stiffness that’s worse in the morning, a rheumatologist will use a variety of exams to rule out similar conditions and get an accurate diagnosis.

References

Arthritis Foundation. (n.d.). Ankylosing spondylitis diagnosis.

National Institute of Arthritis and Musculoskeletal and Skin Diseases. (2020). Ankylosing spondylitis.

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Lauren Smith, MA
Written by:
Lauren Smith, MA
Lauren Smith, MA, has worked in health journalism since 2017. Before joining GoodRx, she was the senior health editor and writer for HealthiNation.
Mandy Armitage, MD
Reviewed by:
Mandy Armitage, MD
Mandy Armitage, MD, has combined clinical medicine with her passion for education and content development for many years. She served as medical director for the health technology companies HealthLoop (now Get Well) and Doximity.

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