Why do I get a stabbing pain in my lower stomach when I laugh hard?
1. Introduction A stabbing pain in the lower stomach during hard laughter is usually caused by the sudden, intense contraction of the abdominal wall musculature, which places acute mechanical strain on the rectus abdominis, inguinal ligaments, or an underlying fascial weakness. The explosive spikes in intra-abdominal pressure generated by laughter can stretch microscopic tissue tears, … Read more