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Oseltamivir, sold under the brand name Tamiflu among others, is an antiviral medication used to treat and prevent influenza A and influenza B, viruses that cause the flu. Many medical organizations recommend it in people who have complications or are at high risk of complications within 48 hours of first symptoms of infection. They recommend it to prevent infection in those at high risk, but not the general population. The Centers for Disease Control and Prevention (CDC) recommends that clinicians use their discretion to treat those at lower risk who present within 48 hours of first symptoms of infection. It is taken by mouth, either as a pill or liquid.
Read the full article on Wikipedia“Oseltamivir is a neuraminidase inhibitor, a competitive inhibitor of influenza's neuraminidase enzyme. The neuraminidase enzyme binds to the sialic acid which is found on glycoproteins on the surface of human cells. Then it cleaves the sialic acid, which helps new virions to exit the cell. As Oseltamivir is an analogue of the sialic acid, the enzyme can bind to Oseltamivir instead, in which case the enzyme will not bind to sialic acid, so it will not cleave it and new virions will not exit the cell.”
“1–3 hours, 6–10 hours (active metabolite)”
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