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2023年6月6日 · HIV testing, also called HIV screening, is the only way to know if you have the virus. Several types of tests check your blood or other body fluids to see whether you're infected. Most can't...
2023年5月23日 · 3 min read. Your viral load gives you an idea of how much of the HIV virus is in your body. The test measures the number of HIV copies in a milliliter of blood. Your test results help your...
2024年3月5日 · OraQuick In-Home HIV Test: This is a "rapid result" test. It comes with a test stick and a test tube that has fluid in it. You swab your gums with the stick, then put it in the test tube. You get ...
- Overview
- Results
- Prognosis
- Prevention
- Causes
- Pathophysiology
- Clinical significance
The CD4 count is a test that measures how many CD4 cells you have in your blood. These are a type of white blood cell, called T-cells, that move throughout your body to find and destroy bacteria, viruses, and other invading germs.
Your test results help your doctor know how much damage has been done to your immune system and what's likely to happen next if antiretroviral treatment is not initiated. All persons with HIV should be started on antiretroviral treatment regardless of whether the CD4 count is high or low. The CD4 count should increase in response to effective antir...
Keeping your CD4 count up with an effective antiviral treatment can hold off symptoms and complications of HIV and help you live longer. In fact, studies have found that patients who adhere to regular treatments can achieve a life span similar to persons who have not been infected with HIV.
Persons with very low CD4 counts may need to take drugs to prevent specific opportunistic infections in addition to taking their ART. Once the CD4 count increases in response to ART, it may be possible to stop taking these OI medications.
HIV damages your immune system because it targets CD4 cells. The virus grabs on to the surface of a cell, gets inside, and becomes a part of it. As an infected CD4 cell multiplies so it can do its job, it also makes more copies of HIV. HIV can destroy entire \"families\" of CD4 cells, and then the germs these cells fight have easy access to your bo...
Those new bits of virus find and take over more CD4 cells, and the cycle continues. This leads to fewer and fewer HIV-free, working CD4 cells.
A normal CD4 count is from 500 to 1,400 cells per cubic millimeter of blood. CD4 counts decrease over time in persons who are not receiving antiretroviral therapy. At levels below 200 cells per cubic millimeter, patients become susceptible to a wide variety of opportunistic infections, many of which can be fatal.
2022年8月3日 · How to Protect Yourself. Since there is still a chance that you could get infected with HIV through oral sex, you should always take precautions. Here is what you can do to lower your risk: Do...
2022年6月10日 · HIV & AIDS Guide. Can You Spread HIV With an Undetectable Viral Load? Medically Reviewed by Jonathan E. Kaplan, MD on June 10, 2022. Written by Linda Rath. When Your Viral Load Is...
2023年5月21日 · Anal sex is the form of sex most likely to spread HIV. You’re especially at risk when you are the receiver ( penis put into your rectum). Vaginal sex is the next riskiest form of sex, especially ...
