Paroxysmal extreme pain disorder
Background
Paroxysmal extreme pain disorder: Familial rectal pain
Paroxysmal extreme pain disorder is a rare disorder of abnormal pain sensation which presents in the first year of life with episodes of severe rectal pain following bowel movements which is often accompanied by Reflex Anoxic Seizures. Eventually there is a colour change down one half of the body; this may be horizontally from the waist down or involving one half of the body. Older patients are also affected by painful eye and jaw crises.