Word Origin & History. coarse 1424, cors ordinary, probably adj. use of noun cours (see course), originally referring to rough cloth for ordinary wear. Developed a sense of rude c.1510 and obscene 1711. Perhaps related, via metathesis, to Fr. gros, which had a similar sense development.
Adults and children 12 years and over should take 2 tablets, caplets, gelcaps or tablespoons every 4 to 6 hours as needed -- with no more than 8 tablets, caplets, gelcaps or tablespoons in 24 hours. Extra strength Tylenol should not be taken for more than 10 days unless directed by a doctor. It must be emphasized -- you should take no more than 8 extra strength Tylenol per day. The maximum allowable daily dose of Tylenol (acetaminophen) is 4 grams (or 4,000 mg) in adults and 90 mg/kg in children. Do the math -- 8 times 500 mg equals 4,000 mg -- the daily maximum you can safely take.
Children's Tylenol Dosage. If you are planning on giving your child Children's Tylenol, dosage amounts will be based on your child's age and weight. A dosage can be given every four hours, but you should not exceed more than five doses in 24 hours.