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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Is The Right Dosage Of Acetaminophen 325?

my daughter is on hydrocodon-acetaminoph 7.5-325 and she should also be taking acetaminophen 325mg but I do not want her to take to much acetaminophen so if she is taking 2 tablets of the hydrocodon every four hours then how much of the acetaminophen 325 should she be taking in a day
Tue, 30 May 2017
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Addiction Medicine Specialist,  's  Response
There is no added benefit by taking over the recommended dose of tylenol. Then, acetaminophen like food, water, and sunlight is only harmful when too much is taken all at once. About 4000 mg at one time is potentially quite serious perhaps fatal, but that is from all sources. I don't know the exact number of hours that can be taken and be harmful but it is NOT over 24, so, 4000 mg in 24 hrs is quite bad. Mostly we try to limit to 1000 to 2000 at most in 24 hrs. Certainly 4000 mg in a week is fine.
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What Is The Right Dosage Of Acetaminophen 325?

There is no added benefit by taking over the recommended dose of tylenol. Then, acetaminophen like food, water, and sunlight is only harmful when too much is taken all at once. About 4000 mg at one time is potentially quite serious perhaps fatal, but that is from all sources. I don t know the exact number of hours that can be taken and be harmful but it is NOT over 24, so, 4000 mg in 24 hrs is quite bad. Mostly we try to limit to 1000 to 2000 at most in 24 hrs. Certainly 4000 mg in a week is fine.