Can having rough sex mess up your stomach?

Rough sex. Thats a very broad question - but generally no - anal intercourse may cause problems with tearing and pain in the rectum after "rough" sex. Generally rough vaginal sex should not cause problems with your stomach but aggressive thrusting depending on position may cause some intestinal discomfort.

Related Questions

Can having rough sex mess up your stomach and cause pain?

Yes, rough. Sex can cause pelvic and abdominal injuries. It can cause pain. Strongly recommend against sexual activities that harm you.