I started getting abdominal pain on my left side about a month ago a couple times a day. For the last couple of days the pain has moved to my left side, right under my left rib cage and hurts most of the day. Not a horrible pain more like an uncomfortable feeling. But a couple of times a day I will get a severe sharp pain that onlys lasts a few seconds. I am also nausous almost all the time like 90% of the day and always tired. Its not so bad that I think I'm actually going to throw up, I just constantly feel sick. Also in the evenings I have been getting body aches, plus last night I woke up drenched in sweat. And that has never happened before. Is it possible that this could be something simple such as acid reflux or kidney stones?