Hello dear Greetings Regarding your experience with sharp pain when I swallow saliva and also while eating with occasional regurgitation I am suggesting that you have developed the following differential diagnosis Peptic ulcer disease Gastroesophageal reflux disease Incomplete pylori stenosis Gastritis In view of this please do the following test Endoscopy Barium swallow Abdominal x-ray Meanwhile please see a gastroenterologist specialist with the results and for further clinical evaluation as well as adequate drug prescription Moreover please take some antacids pending your appointment Concerning your skipping breath while awake I am suggesting you are gradually developing Acute chest infection possibly from aspiration of gastric content Please see a pulmonologist specialist for expert management I hope this helps Regards