One of the newer types of anti-HIV drugs is the FI. FIs work differently than other anti-HIV medicines. The first FI was approved by the FDA in 2003. Although there is only one FI currently available to treat HIV, there are several other FIs under development.
Unlike all other types of anti-HIV medications, FIs work by attacking the virus in your body. It works by blocking the HIV virus from getting inside your CD4 cell.
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