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PrEP should be continued for 30 days after the last potential exposure to HIV. Each time you start ® or Descovy you will need to take it for 7 to 21 days before it reaches maximum effectiveness.

That is, it plans to switch up to 95% of patients under treatment with to Descovy by the fourth quarter of this year, O'Day said. Still, even if Gilead is overstating the benefits of Descovy, the data do show that Descovy is as effective as , with equally small if different risk of side effects.

In 2012, the FDA approved the use of for human immunodeficiency virus (HIV) pre-exposure prophylaxis (PrEP), in combination with safe sex practices, to reduce the risk of sexually-acquired HIV-1 infection in at-risk adults, and later in 2018 for adolescents weighing at least 35 kilograms (77 pounds).

Descovy is FDA-approved for use as HIV pre-exposure prophylaxis (PrEP). PrEP treatment is when a person uses HIV medication before they might come into contact with HIV. This helps prevent them from contracting HIV. Descovy is approved as HIV PrEP for adults and adolescents who weigh at least 77 lb (35 kg).

That is, it plans to switch up to 95% of patients under treatment with to Descovy by the fourth quarter of this year, O'Day said. Still, even if Gilead is overstating the benefits of Descovy, the data do show that Descovy is as effective as , with equally small if different risk of side effects.

1 Introduction. disoproxil fumarate (TDF), alone or in combination with (FTC), reduces the risk of HIV acquisition in individuals at substantial risk of HIV infection when used as pre-exposure prophylaxis (PrEP) 1-4.

The FDA announced in a press release that the generic version of (/ disoproxil fumarate, Gilead Sciences; FTC/TDF) is bioequivalent and therapeutically equivalent to the reference listed drug. It is a product of Teva Pharmaceuticals USA.

The U.S. Food and Drug Administration today approved Descovy ( 200 mg and alafenamide 25 mg) in at-risk adults and adolescents weighing at least 35kg for HIV-1 pre-exposure prophylaxis (PrEP) to reduce the risk of HIV-1 infection from sex, excluding those who have receptive vaginal sex.

How long does it take for PrEP to become protective? It's estimated that it takes at least seven days for PrEP to reach high levels of protection in the body. When used correctly, for PrEP provides 92% 99% reduction in HIV risk for HIV-negative individuals who take the pills every day as directed.