Can excessive acetaminophen be bad for you?

b. Adult Dosage

For adults and children 12 years of age and older, the recommended dose of acetaminophen is 650 to 1000 mg every 4 to 6 hours as needed, not to exceed 4000 mg in 24 hours (Table 2). For extended-release acetaminophen, the dose is 1300 mg every 8 hours as needed, not to exceed 3900 mg in 24 hours. Some adult products (Extra Strength TYLENOL (acetaminophen) , TYLENOL (acetaminophen) Arthritis Extended Relief Formula) are not intended for use in children under 12 years of age.

c. Pediatric Dosage

For children under 12 years of age, the recommended dose of acetaminophen is 10 to 15 mg/kg every 4 to 6 hours,47 not to exceed five doses (50-75 mg/kg) in 24 hours (Table 3).