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.
Abdominal Pain. As mentioned, appendicitis pain is usually localized around your navel when it starts out, but as it intensifies, the pain center seems to migrate from your belly button to the lower abdomen on the right side of your body. This is where your appendix is located, and the pain is caused by the organ swelling up as the infection worsens.