I have had a stomachache for three days now. It is right under the sternum area and hurts a little more on the left side. Has anyone gone through this, it is okay when I lay down, but if I stand or eat it really starts to hurt. Could it be a stomach flu? The only thing is I don't have the urge to puke so I don't think it would be that. I've drank soda, alka seltzer, and lots of tea. But nothing, so I was wondering if anybody else has gone through this and what they did to get rid of the pain.