Can IBS Cause Back Pain?
Medically reviewed by Linda Girgis | MD, Girgis Family Medicine on August 20th, 2026.
Yes, IBS can cause back pain in approximately 30-50% of patients. The connection occurs through referred pain, where intestinal cramping and inflammation trigger nerve pathways that radiate to the lower back. Gas buildup and bloating from IBS can also create pressure that extends to back muscles. The vagus nerve, which connects the gut to various body parts, can transmit pain signals from the inflamed intestines to the spine region. Studies show IBS patients are twice as likely to experience chronic back pain compared to healthy individuals. Back pain typically worsens during IBS flare-ups and improves when digestive symptoms are managed through dietary changes, stress reduction, and appropriate medications.
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