No, you will not be addicted to Fioricet if you follow the fioricet max dosage instruction.
Because one tablet of fioricet contains 40mg butalbital, the max dosage of fioricet you can take per day is six tablets. It means you can only take 240mg of butalbital per day.
Butalbital (5-allyl-5-isobutylbarbituric acid), is a short to intermediate-acting barbiturate. Barbiturates may be habit-forming. The average daily dose for the barbiturate addict is usually about 1500 mg.
If you are addicted, it means that you have at least taken 37 tablets of fioricet per day. It will kill you by the acetaminophen in the Fioricet. The max dosage of acetaminophen per day is 3000mg.
37 tablet of fioricet will have 12,025 mg of acetaminophen. It is four times of your acetaminophen max dosage and will seriously hurt your liver, heart, and kidney.
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 6 hours, as needed.
McNeil Consumer Healthcare, which produces the Tylenol brand of acetaminophen, has voluntarily reduced the maximum recommended daily adult dose of its 500 mg tablet product to 3 g and of its regular-strength 325 mg tablet to 3250 mg,
For children younger than 12 years and/or less than 50 kg in weight, the maximum daily dose is 75 mg/kg, with a recommended dosage of 10-15 mg/kg every 4-6 hours as needed and no more than 5 doses per 24-hour period.
Because of absorption differences, weight-based rectal suppository dosing for children is higher, at 15-20 mg/kg per dose, using the same time interval as for oral acetaminophen