eMedicineHealth wrote:N-acetylcysteine (NAC): NAC is the antidote for toxic acetaminophen overdose. It is generally given by mouth. The medication has a foul odor but may be mixed with juice or other flavorings to make it taste better. If the person cannot take NAC by mouth, a tube may be placed through the mouth and into the stomach to help administer it. If giving NAC by this method is not possible, the doctor may give it by IV. NAC is generally given for 20-72 hours.
WebMD wrote:For acetaminophen (Tylenol) overdose: at the beginning of treatment, a first high dose of 140 mg/kg of a 5% solution of N-acetyl cysteine is given. The commercially available 10% and 20% solutions may be diluted with water, carbonated, or non-carbonated beverages, and given through a straw to lessen the unpleasant odor of N-acetyl cysteine. Seventeen additional doses of 70 mg/kg as a 5% solution are given every 4 hours, for a total dose of 1330 mg/kg over 72 hours.
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