A 45-year-old member asked:
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how long does it take for a tamiflu (oseltamivir) to affect the body after consumed?

1 doctor answer
Dr. Shahid Rafique
43 years experience Internal Medicine
24 hours: If it is indeed influenza, then tamiflu (oseltamivir) is very effective and usually improvement is seen within 24 hours.
Answered on May 27, 2016

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