Lipitor is a medication used to lower cholesterol levels in the blood, which can help prevent heart attacks and strokes. The recommended dosage of Lipitor varies depending on the age group and the condition being treated.

According to the drug patent watch [1], the FDA approved Lipitor for use in adults and children who are at least 10 years old. The dosage of Lipitor for children is based on their weight and should be determined by a doctor. The recommended starting dose for adults is typically 10 or 20 mg once daily, and the maximum recommended dose is 80 mg once daily.

The drugs.com [2] recommends the initial dose of Lipitor for adults is 10-20 mg once daily. The maximum dose is 80 mg once daily. The dose should be individualized according to the patient's response and tolerability. The recommended dose range for pediatric patients (10 to 17 years of age) is 10 to 20 mg once daily. Doses should be individualized according to the recommended goal of therapy.

Mayo Clinic [3] suggests that Lipitor should be taken once a day, at the same time each day, with or without food. It is important to follow the doctor's instructions regarding dosage and timing. Lipitor should be taken regularly, even if the patient feels well.

In conclusion, the recommended dosage of Lipitor varies depending on the age group and the condition being treated. The initial dose for adults is usually 10 or 20 mg once daily, and the maximum recommended dose is 80 mg once daily. For pediatric patients, the recommended dose range is 10 to 20 mg once daily. However, it is important to consult with a doctor before taking Lipitor to determine the appropriate dosage.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.drugs.com/dosage/lipitor.html
[3] https://www.mayoclinic.org/drugs-supplements/atorvastatin-oral-route/proper-use/drg-20067003