Used primarily in the treatment and prevention of HIV infection. Acts as a prodrug that converts to tenofovir in the body, which inhibits viral replication by targeting reverse transcriptase. Commonly included in antiretroviral therapy regimens due to its potency and favorable safety profile. Also used for pre-exposure prophylaxis (PrEP) to reduce the risk of HIV acquisition in high-risk individuals. Employed in the management of chronic hepatitis B infection, helping to suppress viral load and improve liver function. Formulated in combination with other antiretrovirals in single-tablet regimens for improved patient compliance. Stable and well-tolerated, with once-daily dosing suitable for long-term therapy.