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Idiopathic Thrombocytopenic Purpura (ITP) Learning Center
Causes could include:
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No known cause
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ITP occurs when certain immune system cells produce antibodies against platelets. Platelets help your blood clot by clumping together to plug small holes in damaged blood vessels.
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In adults, ITP is considered an autoimmune disorder, which means that the body produces antibodies that damage some of its own products—in this case, blood platelets. Some adults with chronic ITP also have other immune system disorders, such as sy...
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In children, ITP is usually triggered by a virus infection, most often rubella , chickenpox , measles , cytomegalovirus (CMV), or Epstein-Barr virus (EBV). ITP usually begins about two or three weeks after the infection. Acute ITP is characterized...
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