To help reduce them, a joint panel of several FDA committees have made several recommendations to the FDA, including lowering the single adult dose to 650 mg, lowering the maximum adult daily dose, making the 500 mg pill available by prescription only, banning prescription medicines that combine Tylenol with a narcotic, like hydrocodone or codeine, and placing a
black-
box warning on medicines that combine acetaminophen with another prescription pain ingredient.