It is a condition in which there is an excessive number of platelets in the blood. Platelets are blood cells in plasma that stop bleeding by sticking together to form a clot. Too many platelets can lead to certain conditions, including stroke, heart attack, or a clot in the blood vessels.. Causes of secondary thrombocytosis include infection, inflammatory states (for example, inflammatory bowel disease), physical stress (including the post-operative state), acute blood loss, iron deficiency anemia, post-splenectomy and underlying malignancy.

Common.. . Reactive thrombocytosis... post hemorrhage and inflammatory CML MYELOPROLIFERATIVE DISORDER... PRV... agnogenic myeloid metaplasia... essential thrombocythaemia.

Acute bleeding Infection Malignancy such as Leukemia Iron def anemia Removal of spleen Auto imune diease

Anemia Blood loss Neoplasms Bleeding disorders