HI what are the medications for IBS ? I have been suffering with these symptoms for about 7 years did not know what was the cause. I have been taking Lansoprazole for about 3 years now but the symptoms are still there. Recently i was on a 10hour flight as soon as the flight took off i heart rate was increased had trouble breathing, it was exactly like a panic attack and i felt like someone was squeezing my chest. i thought i was going to pass out. i was a not a good feeling at all. fro the whole 10 hours my chest was like blocked with some gas. i felt dizzy, light headed, brain fog, basically i felt like i had few shots of whiskey. I cannot read while i`m on public transport i fell dizzy and i burp most of the time. can anyone please tell me that any of you guys are experiencing the same symptoms. If so tell me what should i tell my doctor because he cannot figure out whats wrong with me. I have done my eyes tested, ears tested, no high or low blood pressure, and i am 28 years old and this symptoms are seriously disturbing my lifestyle. please please please somebody help me.