Thrombocytopenia is altering the number of platelets. Platelets are a component of the blood coagulation process aid. Abnormally This condition manifests itself with a decrease in platelets causing abnormal bleeding. The main symptoms presented are bleeding gums and mouth, bruising, nosebleeds, rash or other depending on the cause. It is possible that in certain cases the patient none. Its causes can be propitiated for three reasons: insufficient production in the bone marrow, increasing its decomposition into the bloodstream, as well as the spleen or liver and eventually other causes such as drug intake. The appropriate treatment depends on the cause that promotes thrombocytopenia, but to prevent or stop bleeding, the most recommended is a platelet transfusion. Certain medications such as aspirin or NSAIDs or sports that may cause trauma are recommended to avoid.