Polycythemia (High Red Blood Cell Count) Topic Guide
Polycythemia: Polycythemia is a condition in which there is an increased number of red blood cells in the blood. There are two types of polycythemia; 1) primary polycythemia and 2) secondary polycythemia. The two main conditions of primary polycythemia are polycythemia vera (PV) and primary familial and congenital polycythemia (PFCP). Causes of secondary polycythemia include conditions as a result of chronic hypoxia such as COPD, emphysema, chronic bronchitis, pulmonary hypertension, congestive heart failure, obstructive sleep apnea, and certain cancers. Examples of symptoms of polycythemia include easy bruising or bleeding, blood clot formation, headache, itching, and fatigue. Treatment for polycythemia depends on the cause. Untreated polycythemia generally has a poor outcome for the patient.
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Dehydration (Adults) Dehydration occurs when the loss of body fluids (mostly water), exceeds the amount that is taken in. Causes of dehydration include fever, vomiting, diarrhea, diseases (diabetes), impaired ability to drink, lack of access to safe drinking water, and injuries to the skin. Common symptoms of dehydration include dizziness, dry skin, headache, low urine output, tiredness, sleepiness, dry mouth, and increased thirst. Treatment of dehydration depends upon the severity of the condition.
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