my son was in a car acciedent dec 2010. He was admitted to the hospital over night because they found some kind of leakage in his lower side. the next day it was gone and was sent home. He started having abdomal pain every 2 months after that, it was so bad we had to take him to the emergency room each time. they never found anything wrong with him.. For 2 years, every 2 months on the dot he had the pains, throwing up, all day then after the hospital would give him pain killers he felt better, but had some soreness the next day. In march 2013 he had to go to the emergency room where his apendix burst and had to have surgery. No one will connect the 2 together, but as a mom knowing my son who never had had these issues before thinks it had to do with the car accident.