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.
Abdominal pain is pain that originates between the chest and the pelvis. Abdominal pain can be cramp-like, achy, dull, or sharp. It's often called stomachache. Burping, or belching, is the act of expelling gas from the stomach through the mouth. It usually occurs after the stomach has expanded due to too much swallowed air. Burping releases the air. Swallowing air into the stomach can cause a bloated feeling, a swollen abdomen, and stomachache, accompanied by burping.