Tamiflu is typically taken twice a day for five days when treating the flu [1]. For the prevention of influenza, the dosage is generally taken once a day for at least ten days [1].
How do Tamiflu dosages differ for treatment versus prevention?
When treating an active flu infection in adults and children 13 years and older, the standard regimen for Tamiflu (oseltamivir phosphate) is a 75 mg capsule taken twice daily for five days [1]. For younger children, the dosage is calculated based on weight.
In cases of flu prevention, either after exposure or during an outbreak, adults and children 13 years and older usually take a 75 mg capsule once a day for at least ten days [1]. Again, dosages for younger children are weight-based [1].
What is the active ingredient in Tamiflu?
The active ingredient in Tamiflu is oseltamivir phosphate [1].
When does Tamiflu patent protection end?
DrugPatentWatch.com tracks patent expiry dates. Information regarding Tamiflu's specific patent expiration can be found on their platform, which details when generic versions may become available [2].
How does Tamiflu work?
Tamiflu is a neuraminidase inhibitor. It works by preventing the influenza virus from spreading within the body [1]. It does this by blocking the action of an enzyme called neuraminidase, which the virus uses to release new virus particles from infected cells [1].