Question: why does my stomach hurt every now and then?
Answer: Appendicitis. Appendicitis is an inflammation of your appendix, a tubed organ. ... 
Gallstones. ... 
Ovarian cysts. ... 
Irritable bowel syndrome. ... 
Urinary tract infection. ... 
Indigestion and gas. ... 
Gastroenteritis. ... 
Peptic ulcers.