Checking for Resistance
Part of A Guide to HIV Drug Resistance
How do you find out if your virus is resistant to any of your current medications? One way is by monitoring your viral load every three to four months. This will allow you and your doctor to see how the HIV in your body is responding to treatment.
HIV resistance testing has become the standard of care for HIV-positive people. It is recommended in all U.S. and international HIV treatment guidelines for both adults and children. What is the goal of resistance testing? To determine how much of your HIV has mutated and whether these mutations affect the activity of one or more of your HIV medications. Resistance testing is done by studying a sample of your blood using specialized lab equipment.
You and your doctor can use the results of these tests to select the HIV medications most likely to be effective against your virus. Keep in mind that resistance testing may not detect all mutated HIV. Researchers are also still working to identify all the different HIV mutations that cause resistance to HIV medications. Nevertheless, resistance tests are an essential part of HIV treatment.
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