Encyclopedia Home / T / Thrombocytopenia


  • Symptoms
    • Bruising
    • Nosebleeds or bleeding in the mouth and gums
    • Rash (pinpoint red spots called petechiae)

    Other symptoms may be present as well, depending on the cause of the condition. Mild thrombocytopenia can occur without symptoms.

    Signs and tests

    Complete blood count (CBC) shows low number of platelets. Blood clotting studies (PTT and PT) are normal.

    Other tests that may help diagnose this condition include:

    • Bone marrow aspiration or biopsy
    • Platelet associated antibodies