Have you ever experienced a tense, painful coil in your stomach or abdominal area? This can also be accompanied by severe cramping, diarrhea, or vomiting. If two or more of these symptoms are present, you may be experiencing a stomachache (read more) with underlying causes. These causes can range from gastroenteritis, stomach ulcer to related conditions, like a ruptured appendix or diverticulitis. However, some upset stomachs aren’t so serious and can be easily remedied by...