Upper abdominal pain can be no big deal—or it can merit a trip to the ER. Here's how experts say you can tell the difference.

pain that starts at your neck and radiates down through your shoulders, back or even upper arm and a throbbing or tingling ...

It begins with a sudden, sharp pain in your upper right abdomen, often flaring up after a rich meal. The discomfort intensifies, radiating to your back or shoulder, leaving you restless and uneasy.