In a complete blood count, men normally have 4.32 to 5.72 trillion red blood cells per liter, states Mayo Clinic. The span for women is between 3.90 and 5.03. The standard white cell count range for both sexes is 3.5 to ... More »

A person seeking to increase his red blood cell count can take vitamins and minerals such as vitamins B6 and B12, as well as iron supplements, suggests the San Francisco Chronicle. Vitamin E helps form red blood cells an... More »

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Equine infectious anemia causes a low red blood cell count in horses, according to the North Carolina Department of Agriculture and Consumer Services. This is a contagious viral disease that can result in death. More »

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Normal blood count levels for females are 3.90 to 5.03 million red blood cells per microliter, 120 to 155 grams of hemoglobin per liter, 34.9 to 44.5 percent hematocrit, 3,500 to 10,500 white blood cells per microliter a... More »

In a complete blood count test, the normal range for red blood cells is 4.32 to 5.72 trillion cells per liter for men and 3.90 to 5.03 trillion cells per liter for women. The normal range for hemoglobin is 13.5 to 17.5 g... More »

A white blood cell count below the normal range may be a symptom of cancer, a viral infection, an autoimmune disease or another cause, states Mayo Clinic. Identifying the exact cause is done through other tests. As the e... More »

Called erythrocytosis, an elevated red blood cell count means that the bloodstream has too many red blood cells, according to Mayo Clinic. Erythrocytosis develops for various reasons, including the body's need to compens... More »