I have had this continuing cough, very annoying.My doctor gave me an inhaler possibly thinking it was asthma. I mentioned it has helped but only so much.I've never really had any common symptoms of heartburn, but was suggested I take Prilosec for the two weeks to see if it helps.The thinking was I might have GERD, a cough apparently is a common side effect.I have been taking it for 8 days. I have been light headed, my chest feels tight, and my breathing is a little bit harder. I wasn't sure if this is suppose to happen if I have GERD?