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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 platelet count is a blood test used to measure the amount of platelets in the body, according to MedlinePlus. Platelets are the part of the blood responsible for clotting, and their number can signal different types of diseases, such as cancer.


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.


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 normal platelet count ranges from 150,000 to 400,000 platelets per microliter, according to MedlinePlus. Because normal values vary slightly depending on the lab, it is important to discuss the results with a doctor.


A low platelet count occurs when there is a lower than average amount of platelets, blood cells that aid in blood clotting, in someone's blood, according to Mayo Clinic. The medical term for a low platelet count is thrombocytopenia.


The symptoms of a low platelet count include prolonged bleeding from injuries, easy bruising, bloody urine or feces, unusually heavy menstrual periods and profuse bleeding during surgery, notes Mayo Clinic. The medical term for a low platelet count is thrombocytopenia.


Pregnancy, autoimmune diseases, an enlarged spleen and bacteria in the blood are reasons for a low platelet count, also known as thrombocytopenia. There are also a few medications that can contribute to low levels, including heparin, sulfa-containing antibiotics, quinine and interferon, explains May