Blood Disorders

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Essential thrombocythemia

Essential thrombocythemia is also called primary thrombocythemia. Both terms describe when a high platelet count occurs. This condition is sometimes called idiopathic thrombocythemia.

Symptoms may include the following:

  • Headaches
  • Stroke symptoms
  • Chest pains
  • In some cases, bleeding

Thrombocytosis is a related condition.