Medically reviewed by Qin Rao, MD Key Takeaways A SIBO breath test checks your breath for hydrogen or methane after drinking a sugary liquid.Jejunal aspiration is a more accurate but invasive test, ...

Adhesions from prior abdominal surgeries are the most common cause of SBO. Untreated SBO can lead to serious complications like bowel perforation or tissue death (strangulation). Symptoms of SBO ...