Persistent abdominal or stomach pain or feel burring and Pain on throat. Some people suffer from acne in acid reflex or h. pylori.......Bloody or black tarry stools or vomit. This may happen when your condition becomes severe and you have ulcer due to acid re-flux or H. pylori.
How H pylori stay in your digestive tract and affect your digestive system or stomach. How H. pylori become the cause of Ulcer and acid reflux. Here you can find what is H. pylori, ulcer, and acid reflux.