Final answer:
Medications used to treat HIV infections are classified as antiretroviral agents. HAART, which involves the use of multiple antiretroviral drugs, is the standard treatment for HIV infections.
Step-by-step explanation:
Medications used to treat HIV infections are classified as antiretroviral agents. These drugs act by inhibiting different stages of the HIV life cycle and reducing the viral load in the body. Highly active antiretroviral therapy (HAART), which involves the use of multiple antiretroviral drugs, is the standard treatment for HIV infections.