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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.
2023年5月23日 · The test measures the number of HIV copies in a milliliter of blood. Your test results help your doctor follow what's happening with your infection, how well your treatment is working, and guide ...
2023年1月20日 · HIV medications can help lower your viral load, fight infections, and improve your quality of life. They can lower your chances of transmitting HIV, but if you take them incorrectly, you can still ...
- 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.
2020年8月13日 · Use WebMD’s Drug Interaction Checker tool to find and identify potentially harmful and unsafe combinations of prescription medications by entering two or more drugs in question.
2022年8月3日 · HIV care involves a type of medication called antiretroviral therapy (ART) and regular visits with your doctor. One study estimated that costs of this care could run anywhere between $1,800 to ...
They can get HIV and then they can expose you if you have unprotected sex. And if you’re doing drugs -- including ones you don’t inject, like alcohol -- you’re more likely to make poor ...
