I gag mostley in the morning sometimes just putting my shirt on or belting up my jeans,sometimes bad smells make me gag or being out of breath or the dentist and lastly cleaning my teath,im 57 height 5foot 10"" and the list of health problems  to  long
Hello Thank you for trusting Chat Doctor Many causes for gagging and most common cause is gastroesophageal reflex disease in which back wash of stomach acid into esophagus cause gagging. Other possibilities Andalusia is rare, occurring in about one in 100,000 people, so this is not likely the problem. It causes regurgitation and difficulty swallowing, both of which can result in gagging. Vagus nerve impingement causes gagging in people who underwent sinus surgery and head injury Esophageal spasms are abnormal muscle contractions within the throat that typically causes pain and difficulty swallowing. Smoking is the another cause for gagging with chronic smokers with excessive sputum may triple down to esophagus may induce it. Sometimes stress may induce gagging. Above I mentioned few causes for gagging you need to evaluated to diagnose the cause for your problem. Please consult your doctor he will treat you accordingly.