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Test results that are lower than normal may mean that your immune system isn't working as well as it should. This means that even a small infection could cause serious health problems.
The test is done with a blood sample. A needle is used to draw blood from a vein in your arm or hand. Infants usually have one of their heels stuck with a needle to collect a few drops of blood.
Having a blood test with a needle carries some risks. These include bleeding, infection, bruising, and feeling lightheaded. When the needle pricks your arm or hand, you may feel a slight sting or pain. Afterward, the site may be sore. Some medicines may affect your test results.
Tell your healthcare provider about treatments you are getting, medicines you are taking, or recent illnesses you've had. You can probably eat, drink, and take your medicine as usual, but check with your healthcare provider. Be sure your provider knows about all medicines, herbs, vitamins, and supplements you are taking. This includes medicines that don't need a prescription and any illegal drugs you may use. Search Encyclopedia. White Blood Cell Count Does this test have other names? WBC count, leukocyte count What is this test?
White blood cells are divided into 5 main types: Neutrophils Basophils Lymphocytes Monocytes Eosinophils This test measures the total count of all types of white blood cells. Why do I need this test? The provider will clean the heel or fingertip with alcohol and poke the site with a small needle. The provider will collect a few drops of blood and put a bandage on the site. After a blood test, you may have slight pain or bruising at the spot where the needle was put in, but most symptoms go away quickly.
There is very little risk to your baby or child with a needle stick test. Your child may feel a little pinch when the site is poked, and a small bruise may form at the site.
This should go away quickly. If you are already being treated for a white blood cell disorder, your results may show if your treatment is working or whether your condition has improved. Learn more about laboratory tests, reference ranges, and understanding results. White blood count results are often compared with results of other blood tests, including a blood differential. A blood differential test shows the amount of each type of white blood cell, such as neutrophils or lymphocytes.
Neutrophils mostly target bacterial infections. Lymphocytes mostly target viral infections. The information on this site should not be used as a substitute for professional medical care or advice. Contact a health care provider if you have questions about your health. What is a white blood count WBC? There are five major types of white blood cells: Neutrophils Lymphocytes Monocytes Eosinophils Basophils A white blood count measures the total number of these cells in your blood.
Other names: WBC count, white cell count, white blood cell count. What is it used for? Why do I need a white blood count? Symptoms of infection include: Fever Chills Body aches Headache Symptoms of inflammation and autoimmune diseases will be different, depending on the area of inflammation and type of disease. What happens during a white blood count? Will I need to do anything to prepare for the test?
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