1. An antiviral medication used to treat and prevent influenza (flu) infections caused by influenza A and B viruses.
Usage: pharmaceutical/medical term; commonly known by brand name Tamiflu; typically administered orally as a capsule or liquid suspension

Examples

• The doctor prescribed oseltamivir to help reduce the severity and duration of the flu.
• Oseltamivir is most effective when taken within 48 hours of symptom onset.
• During flu season, some healthcare workers take oseltamivir as a preventive measure.
• The patient was given oseltamivir capsules to take twice daily for five days.
• Oseltamivir works by inhibiting viral neuraminidase, preventing the spread of influenza virus.