HIV means AIDS, and using acyclovir does not usually prolong the AIDS window period. The length of the AIDS window period is mainly related to the mode of infection, the amount of viral invasion, the body’s immune function and other factors. Acyclovir is used to treat herpes virus infections, and oral administration of this product as a prophylaxis for recurrent cases does not enhance immunity or kill HIV, so using Acyclovir does not prolong the window period of AIDS. Acyclovir is an antiviral drug, some patients may experience nausea and vomiting, anemia and muscle pain after taking it. It is contraindicated for those who are allergic to the product and pregnant women. When patients are worried about HIV infection, it is recommended that they go to the hospital in time to get a clear diagnosis, and do not use medication on their own to avoid delaying their condition.