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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

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 »

www.reference.com Health Medical Ranges & Levels

Generally, a count that is over 500,000 platelets per microliter of blood is considered high enough to seek the underlying cause, notes Mayo Clinic. A normal platelet range is 150,000 to 450,000 platelets. A high platele... More »

www.reference.com Health Medical Ranges & Levels
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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

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 »

www.reference.com Health Medical Ranges & Levels

Doctors diagnose the cause of anemia, or low hemoglobin count, through several methods: reviewing medical histories, a physical exam and using the results of tests, says the National Heart, Lung and Blood Institute. Anem... More »

www.reference.com Health Medical Ranges & Levels

A low lymphocyte count may mean the body is not making enough lymphocytes, according to the National Heart, Lung, and Blood Institute. A low count may also mean lymphocytes are getting destroyed or becoming stuck in the ... More »

www.reference.com Health Medical Ranges & Levels