Immune thrombocytopenic purpura; ITP
The causes and risk factors are unknown, except in children when it may be related to a viral infection. Prevention methods are unknown.
McMillan R. Hemorrhagic disorders: abnormalities of platelet and vascular function. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 179.