(NEWSER– The FDA is taking steps to more closely regulate acetaminophen, issuing an official warning that doses over 325mg may hurt your liver. The FDA is asking doctors to stop prescribing "combination" drugs that contain more than that amount per dose—pain medications including Percocet, Vicodin, and codeine often contain acetaminophen, and patients who've been given those drugs may not realize it, CNN reports. That could lead to a dangerous situation in which they end up taking another drug containing acetaminophen, like Tylenol, thus ingesting an unsafe amount of the drug.

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