When my son was about 3 months old, i was worried that he might be suffering from acid reflux because his father has it pretty bad, as does his grandfather, and it is known to be heretitary. He was throwing up quite a bit every time he ate. He's 5 months old now, and that passed quickly, however at the time i consulted google, and found this website:

http://www.parenthood.com/articles.html?ar ticle_id=2361

Although talking to your physician seems to be the safest route before making any decisions.