Thrombocytopenia: Symptoms & Signs

Medically Reviewed on 5/22/2020

Thrombocytopenia is the medical term for the condition of having too few platelets in the blood. Platelets are tiny particles in the blood that are essential for the control of bleeding.

Signs and symptoms of thrombocytopenia can include

Causes of thrombocytopenia

Decreased platelet production as a result of viral infections, certain medications, blood diseases, or inherited disorders can cause thrombocytopenia. Conditions that cause excessive platelet destruction, like pregnancy, immune system disorders, and certain medications are another possible cause. In other cases, the spleen sequesters platelets so that there are not enough platelets in the circulating blood.

Other thrombocytopenia symptoms and signs


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Jameson, J. Larry, et al. Harrison's Principles of Internal Medicine, 20th Ed. New York: McGraw-Hill Education, 2018.