A member asked:

Is tylenol (acetaminophen) weight dependant like ibuprofen? i'm 350 lbs. ibuprofen was prescibed 6-800 mg/4-6 hours. do i need to adjust my tylenol (acetaminophen) dosage as well?

A doctor has provided 1 answer
Dr. Donald Alves answered

Specializes in Emergency Medicine

WHOA! : Neither is weight-dependent for full-sized adults (...Or bigger). Ibuprofen's safe maximum daily dose is 2400mg total. Acetaminophen's safe maximum daily dose is 3000mg total. The one does not impact the other. Problem is that you could be 8'6" and 350#, but your liver and kidneys are about the same size as a 4'6" 100# adult. Use caution!

Answered 12/4/2018

5.1k views

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