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CD4+ Cells - Topic Overview

CD4+ cells are part of the immune system and are a type of white blood cell. White blood cells protect the body against infection. CD4+ cells are also called T-lymphocytes, T-cells, or T-helper cells.

HIV invades and destroys CD4+ cells. But the body continues to produce new CD4+ cells to fight the HIV infection. If the infection is not treated with medicines, the body gradually loses the ability to produce enough CD4+ cells to replace the number that are being destroyed by HIV. As the number of CD4+ cells in the blood drops, it becomes harder for the immune system to fight infections.

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Nutrition and HIV/AIDS

If you're HIV-positive, nutrition and HIV is a subject you'll want to pay special attention to. That's because your body will undergo changes, both from medications and the disease itself. For example, you may experience extreme weight loss, infections, or diarrhea. Another common change is lipodystrophy (fat distribution syndrome) which can cause body shape changes and increases in cholesterol levels. Making improvements in your diet can improve your health and how well you feel. Here are a few...

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CD4+ counts are measured every 3 to 4 months in people who are infected with HIV. The CD4+ count is an important measurement of how HIV is affecting your immune system and can help you decide when to begin treatment for HIV or when you need to try a different combination of medicines.

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WebMD Medical Reference from Healthwise

Last Updated: April 05, 2012
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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