class="Serp__item__snippet--34vQF">Historically, the maximum daily adult dose of acetaminophen is 4 g, with a recommended dosage of 352-650 mg every 4-6 hours or 1 g every 6 hours. In 2012, the FDA suggested, but did not mandate, a maximum daily dose for adults of 3 g, with no more than 650 mg every...