I was diagnosed with IBS, about a yr ago. But lately I have hadbloating ( upper stomach area) worse when walkingChest pain(in the middle,center breastbone area,but also sometimes left sometimes rightHeartburn (Indigestion)Burning in stomachItchy, tingly skinchillsweight lossShortness of breathOnly, occasionally the lump in the throat, not always, with acidic feel to it)What do you think ??