2 Answers 2. The Kindle iphone app does not read pdf or epub files without conversion. There are various tools you can use to convert from pdf and epub to the mobi format that the Kindle app can read. The one I use is Calibre, and it works pretty well. Epub files generally convert without problem, but pdf files might be harder, depending on how complex the pdf is.
Irritation of the stomach from spicy foods, smoking, alcohol, or infection with a bacteria called Helicobacter pylori may all cause symptoms of indigestion, which might include excessive burping. Burping is rarely a sign of a serious medical problem.
Gastroparesis. Gastroparesis occurs when food stays in your stomach for longer than normal because the stomach muscles are not sufficiently strong to push it onto the next digestive structure. Symptoms include excessive burping as well as nausea and vomiting. Gastric Cancer. Stomach cancers can lead to gastric problems including constant burping, vomiting, nausea and abdominal pain. The best treatment in this case is to treat the cancer.