 [ Symptoms ] i have bloating feeling in my upper abdomen under my chest top of stomach [ Disease ] it looks like acid reflux along with excessive gas formation consult a gastroenterologist and get evaluated as of now take antacids like milk of magnesia avoid spicy food and drink plenty of water always take walk after meals and take your dinner atleast 2 hours before sleep take simethicone to reduce gas formation and bloating you should sleep with head slightly raised as compared to feet hope this information helps