Causes of a high platelet count include recent spleen removal, cancer, chronic myelogenous leukemia and the use of certain medications, according to MedlinePlus. An increased platelet count indicates the body is making m... More »

www.reference.com Health Medical Ranges & Levels

An elevated platelet count generally means one of two things: reactive thrombocytosis or essential thrombocythemia. Reactive thrombocytosis means that an underlying condition has elevated the platelets, while essential t... More »

www.reference.com Health Medical Ranges & Levels

A normal blood platelet count is 150,000 to 400,000 platelets per microliter, says the National Institutes of Health. Platelets are components of the blood that assist with blood clotting, and the normal range may vary s... More »

Causes of a high platelet count include cancer, recent spleen removal and anemia caused by premature destruction of the red blood cells, notes MedlinePlus. A normal platelet count ranges from 150,000 to 400,000 platelets... More »

Symptoms of a high platelet count include headache, bleeding, feeling weak, and numbness in the hands or feet, states Healthgrades. Blood-clotting symptoms, including nausea, seizures, dizziness, difficulty breathing and... More »

A high platelet count can be caused by a bone marrow condition that produces too many platelets, a separate disease, or another condition that affects platelet count, according to the National Heart, Lung, and Blood Inst... More »

www.reference.com Health Medical Ranges & Levels

According to the National Heart Lung and Blood Institute, a high platelet count can indicate a number of different conditions, including cancer, anemia or a reaction to medications. The National Heart Lung and Blood Inst... More »