For older people who don't have liver problems, experts widely believe that up to 3000 milligrams (mg) of acetaminophen per day is safe, even if one takes this amount every day. That's equivalent to 9 tablets of regular acetaminophen (which is usually 325mg/tablet).
Tamiflu (oseltamivir phosphate) is an oral anti-viral drug approved for the treatment of acute, uncomplicated influenza in patients 2 weeks of age and older whose flu symptoms have not lasted more than two days.
The drug may also help prevent the spread of flu to others. Tamiflu is licensed to treat the flu in adults and children as young as two weeks of age. Prevention of Influenza. Tamiflu is also used to decrease the chances of developing symptoms of the flu in the first place.It can be used for flu prevention in adults, as well as in children 1 year of age and older.reatment of Influenza. Tamiflu is effective against the two most common influenza viruses -- Influenza A and Influenza B. The 2009 H1N1 strain is an Influenza A virus, and Tamiflu is expected to be effective against H1N1 influenza.