No known cause: Ankylosing spondylitis has no known specific cause, though genetic factors seem to be involved. In particular, people who have a gene called hla-b27 are at significantly increased risk of developing ankylosing spondylitis.
Answered 4/18/2019
5.5k views
8 doctors weighed in across 2 answers
3 doctors weighed in across 2 answers
4 doctors weighed in across 2 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question