A by-product of natural gas processing and petroleum refining, it is commonly used as a fuel for engines, oxy-gas torches, portable stoves, and residential central heating. Propane is one of a group of liquefied petroleum gases (LP gases).
Signs and symptoms of appendicitis may include: 1  Sudden pain that begins on the right side of the lower abdomen. 2  Sudden pain that begins around your navel and often shifts to your lower right abdomen. 3  Pain that worsens if you cough, walk or make other jarring movements.  Nausea and vomiting.
Though most people associate appendicitis with intense pain in the lower-right side of the abdomen, more often than not, thatâs not how it begins. The earliest sign is an ache in the belly button area that soon travels to the lower portion of the abdomen.