Hernias can develop at these or other areas due to heavy strain on the abdominal wall, aging, injury, an old incision or a weakness present from birth.

由于年老、受伤、旧的手术切口、或者先天的皮肤薄弱，腹壁在压力下会从薄弱的地方(或其它地方)产生疝气。任何年龄的人都可以患有疝气。