What is von willebrand s disease and how serious?

A bleeding disorder.: It is the most common inherited bleeding disorder.Type 1 is mild , more symptomat in females with menorrhagia and mucous membrane bleeds DDAVP (desmopressin) , inhaler is effective. Type 3 severe , Joint bleeds in addition. Type 1 clotting protein is decreased but missing in type 3 and defective in type 2 ( several sub types). So the VW factor is to be given by infusion In most types 2 and 3 .