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An elevated white blood cell count indicates a bacterial infection, according to WedMD. White blood cells are the defenders of the body against infection. The WBC count rises very quickly when it detects the presence of a virus, bacteria or organism in the body.


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 Institute (NHLBI) explains that there are two different types of thrombocythemia, or


Better Medicine states that high platelet production is categorized as either primary thrombocythemia, which occurs for reasons unknown, or secondary thrombocytosis, which is caused by another condition, such as infection, anemia or cancer. A high platelet level means that the blood has an abnormal


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 cognitive problems, may occur along with a high platelet level. High numbers of


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 Institute. Strenuous exercise, alcohol consumption and blood loss cause temporary hi


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 more platelets than necessary.


A high platelet level in the blood can be essential thrombocythemia or reactive thrombocytosis, according to Mayo Clinic. Essential thrombocythemia is caused by a bone marrow disorder. Reactive thrombocytosis can be caused by various factors including allergic reactions, medication, infections, exer


Having too many platelets in the blood is a sign of either thrombocytosis or thrombocythemia. Thrombocytosis is a response to an infection or a disease in the bone marrow or blood, while thrombocythemia is more likely to lead to blood clotting problems, according to Mayo Clinic.


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 platelet count is referred to as thrombocytosis and has many possible causes.


A platelet count of more than 450,000 microliters is considered high, according to Mayo Clinic. A normal platelet count reading falls between 150,000 and 450,000 microliters.