
Q I have Crohn's disease with skin nodules and joint pain. Do symptoms appear outside the intestine?
A Yes, about 25–40% of Crohn's patients develop extraintestinal manifestations. Common ones include skin (erythema nodosum, pyoderma gangrenosum), joints (peripheral arthritis, spondyloarthropathy), eyes (uveitis), and hepatobiliary (primary sclerosing cholangitis). These often improve together when intestinal inflammation subsides.
Detailed Answer
Crohn's disease is a systemic inflammatory disease, so symptoms can appear in various areas beyond the intestines. Representative extraintestinal symptoms include erythema nodosum (red hard skin nodules), arthritis (swollen and painful joints), and uveitis (reddened eyes with blurred vision). These symptoms tend to worsen when intestinal inflammation is active and improve as inflammation subsides, so intestinal treatment is the top priority.
Korean Medicine Clinic Perspective
In Korean medicine, Crohn's extraintestinal symptoms are viewed as intestinal damp-heat spreading through the blood vessels to the whole body. Clinically, reducing root intestinal inflammation with heat-clearing, detoxifying, and dampness-eliminating prescriptions also improves skin and joint symptoms. Please mention accompanying symptoms during your visit.
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