← Drug quick-reference

Oseltamivir

Brand: Tamiflu

AntiviralUsed for: InfluenzaAnti-Infectives

Common side effects

  • Nausea
  • Vomiting
  • Headache
  • Diarrhea
  • Stomach pain

Key interactions & cautions

  • Live nasal flu vaccine may work less well
  • Few major drug interactions
  • Take separately from live influenza vaccine timing
  • Generally well tolerated with most drugs

Counseling points

  • Start within 48 hours of symptoms
  • Take with food to ease nausea
  • Finish the full course
  • Not a substitute for the flu shot
  • Report unusual behavior, especially in children

High-yield study aid for exam prep — not a substitute for the package insert or a pharmacist’s dispensing reference.