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Bleeding Disorders
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Platelet deficiency (thrombocytopenia) or dysfunction
Inherited
A variety of other rare inherited conditions may cause platelet disorders.
Acquired
Bone marrow not producing enough platelets
Immune thrombocytopenic purpura (ITP), autoimmune disease; may go away on its own
Drugs such as quinine, sulfa antibiotics, and gold salts may decrease number of platelets.
Drugs such as aspirin and nonsteroidal anti-inflammatory drugs may cause dysfunctional platelets.
Massive blood replacement (platelet survival is limited in stored blood)
Cardiopulmonary bypass surgery (platelets are activated and become deficient and dysfunctional)
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Related Pages
 On This Site
Elsewhere On The Web
This article last reviewed on September 7, 2007.
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