Is there any connection between UC and ankylosing spondylitis?
Patient's Query
Hello doctor,
I was diagnosed with ulcerative colitis eight years ago, and now I have severe lower back pain and stiffness, especially in the mornings, that lasts for hours. I have bloody diarrhea 10 plus times a day, abdominal cramping, fatigue, my back and spine hurt constantly, my hips are stiff, and my rheumatologist says I have ankylosing spondylitis related to my UC.
What is the connection between ulcerative colitis and ankylosing spondylitis? Why does IBD cause joint and spine problems? Is this spondyloarthritis? How common is this? Will my spine fuse? Am I going to become hunched over? What are my treatment options that work for both conditions?
What are biologics like Humira, Remicade, or Stelara? Do they treat both UC and AS? How do TNF inhibitors work? What are the side effects? Am I at risk for infections or cancer? What is the difference between TNF inhibitors and IL-23 inhibitors like Skyrizi? Which is more effective?
Can I take steroids for both conditions, or will that make things worse? What is Methotrexate or Sulfasalazine? Do I need them too? Should I see a gastroenterologist and a rheumatologist?
How do I manage flares of both conditions? Will physical therapy help my back? Are there exercises I should do? Will I need surgery for my spine or colon? And can either condition be cured?
Please help.
Thank you.
Hello,
Welcome to icliniq.com.
I can understand your concern.
UC (ulcerative colitis) can be linked to spondyloarthritis (SpA)- the same immune pathways activated in the gut (TNF- tumor necrotizing factor or IL- interleukin-23, and IL-17 axis) can inflame joints, especially the spine and hips (axial SpA/ankylosing spondylitis).
It is not rare that around five to 10 percent of IBD (inflammatory bowel disease) patients get axial disease; peripheral arthritis is more common. Not everyone fuses; early control of daily mobility reduces the risk of kyphosis.
The best “one drug for both” is usually anti-TNF- Infliximab (Remicade) or Adalimumab (Humira) that treats UC and AS well. Ustekinumab (Stelara) helps UC and peripheral arthritis but is less reliable for axial AS.
IL-23 inhibitors (e.g., Risankizumab and Skyrizi) are for IBD and psoriasis, but generally do not treat axial AS. Steroids help UC short-term but are poor long-term and do not control AS; chronic steroids worsen bone health. Sulfasalazine can help peripheral joints, not axial; Methotrexate has limited UC benefit. NSAIDs (non-steroidal anti-inflammatory disease) help AS pain but may worsen UC; use only with a rheumatologist's guidance.
Side effects of biologics include infections (screen for TB (tuberculosis, hepatitis, vaccines), injection and infusion reactions; rare lymphoma and skin cancer signals. You need both gastro and rheumatology.
Add physiotherapy that includes posture work, spinal extension, hip mobility, and daily walking and swimming. Surgery is uncommon for the spine; colectomy only if UC is refractory or complicated. Neither is “cured,” but long remission is achievable.
I hope this helps.
Kindly follow up if you have more concerns.
Thank you.
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