I've got a full-time job <a href=" http://www.campingdugarritendordogneperigord.com/emplacements-camping-dordogne-perigord/#lime ">can i buy viagra over the counter at walmart</a> So how do these accidental acetaminophen deaths occur? Imagine you've had major dental surgery, and your dentist prescribes a five-day supply of Percocet. You take the recommended two pills every six hours for 2,600 milligrams of acetaminophen, well below the 4,000-milligram-a-day safety threshold.