As a daily reflux sufferer, I can agree with raising the head of your bed, but absolutely stay away from dairy products! They are hard to digest and will actually make the problem worse, not better by making your stomach work harder. Try a tablespoon full of vinegar. I know it sounds weird, and it's hard to get it down but it does work. A common misconception is that heartburn is caused by too much stomach acid. It's actually the opposite problem. Of course, in your case I assume the ibuprofen irritated the lining of your stomach. I'd call the doc and see what he recommends, since you are post-surgery.