when cd4 count is low?
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A low CD4 count means that HIV has damaged your immune system and may be making you ill. HIV treatment will strengthen your immune system and extend your life. While your CD4 count is low, you may also need to take antibiotics to prevent infections.
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A regular CBC does not give T-cell counts. Most people with HIV infection get special T-cell tests (see Fact Sheet 124). However, the results of a CBC are needed to calculate T-cell counts, so both tests are done at the same time.
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A low T cell count is more common than a high T cell count. Low T cell counts usually indicate problems with your immune system or lymph nodes. Low T cell counts may be due to: viral infections, such as influenza. aging.
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A long-term low white blood cell count increases the risk of infections and may be caused by a number of different diseases and conditions. High white blood cell count (leukocytosis) means having too many leukocytes circulating in the blood, usually from having an infection.
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A low white blood cell count usually means your body isn't making enough white blood cells. It can increase your risk of all sorts of infections.
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People with symptoms of HIV disease should have a CBC every 3–6 months. CBC testing is done more often in people with symptoms of low red blood cells (anemia), low white blood cells (leukopenia) and low platelets (thrombocytopenia).
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When the white blood cell count is low, it is easier to get an infection and harder to get over it. If your child has sickle cell disease, her white blood cell count will usually be normal or higher than normal. However, illness and some medicines can make the white blood cell count go up or down for a short time.
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Having a higher or lower number of WBCs than normal may indicate an underlying condition. A WBC count can detect hidden infections within your body and alert doctors to undiagnosed medical conditions, such as autoimmune diseases, immune deficiencies, and blood disorders.
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A low T cell count is more common than a high T cell count. Low T cell counts usually indicate problems with your immune system or lymph nodes. Low T cell counts may be due to: viral infections, such as influenza.
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What is a CD4 count? A CD4 count is a test that measures the number of CD4 cells in your blood. CD4 cells, also known as T cells, are white blood cells that fight infection and play an important role in your immune system.
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How many white blood cells (WBCs) someone has varies, but the normal range is usually between 4,000 and 11,000 per microliter of blood. A blood test that shows a WBC count of less than 4,000 per microliter (some labs say less than 4,500) could mean your body may not be able to fight infection the way it should.
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What does it mean if levels are low? Lymphocyte counts below the normal range can also be temporary. They can occur after a cold or another infection, or be caused by intense physical exercise, severe stress, or malnutrition. A low level can also be a sign of a condition known as lymphocytopenia or lymphopenia.
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When a person's immune system is weak, latent TB infection can quickly progress to TB disease. If you have HIV, it is very important to get a TB test. If you have latent TB infection or TB disease, and you do not know your HIV status, you should get an HIV test.
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Lymphocytopenia is an abnormally low number of lymphocytes (a type of white blood cell) in the blood. Many disorders can decrease the number of lymphocytes in the blood, but viral infections (including AIDS) and undernutrition are the most common.
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If you are not taking HIV treatment and you start having health issues such as mouth ulcers or oral candidiasis (thrush), it may be a sign that HIV is damaging your immune system and your CD4 count is dropping.
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Basophils are white blood cells from the bone marrow that play a role in keeping the immune system functioning correctly. Doctors may order basophil level tests to help diagnose certain health problems. If basophil levels are low, this may be a sign of an allergic reaction or another condition.
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Pancytopenia (Low Blood Cells) Pancytopenia is marked by low counts of all three types of blood cells—red cells, white cells and platelets. This condition can be caused by certain medications and by infections. In some cases, it is caused by a cancer or precancerous condition.