The nurse is teaching a female patient who will begin taking 2 tablets of 325 mg acetaminophen every 4 to 6 hours as needed for pain. Which statement by the patient indicates understanding of the teaching?
a. "I may take acetaminophen up to 6 times daily if needed."
b. "I should increase the dose of acetaminophen if I drink caffeinated coffee."
c. "If I take oral contraceptive pills, I should use back-up contraception."
d. "It is safe to take acetaminophen with any over-the-counter medications."
ANS: A
The maximum daily dose of acetaminophen is 4000 mg. If this patient takes 650 mg/dose 6 times daily, this amount is safe. Taking acetaminophen with caffeine increases the effect of the acetaminophen. Taking acetaminophen with OCPs decreases the effect of the acetaminophen but does not diminish the effect of the OCP. Many over-the-counter medications contain acetaminophen, so patients should be advised to read labels carefully to avoid overdose.
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