Lipitor (atorvastatin) is a medication used to lower cholesterol levels in the blood. According to Healthline [3], the recommended starting dose for Lipitor is usually 10 or 20 mg once daily, and the maximum dose is 80 mg once daily. The dosage should be adjusted based on the patient's response to the medication and their risk of developing cardiovascular disease.

The Drug Patent Watch [1] states that the recommended starting dose of Lipitor is 10-20 mg/day, and the dosage can be increased every 2-4 weeks as needed to achieve the desired cholesterol-lowering effect. The maximum recommended dose is 80 mg/day.

Medscape [2] notes that the dosage of Lipitor should be adjusted based on the patient's response to treatment, and the goal of therapy is to achieve the target LDL cholesterol level. The recommended starting dose is 10-20 mg/day, and the dosage can be increased up to 80 mg/day as needed.

In summary, the dosage of Lipitor should be adjusted based on the patient's response to treatment and their risk of developing cardiovascular disease. The recommended starting dose is usually 10 or 20 mg once daily, and the maximum dose is 80 mg once daily. The dosage can be increased every 2-4 weeks as needed to achieve the desired cholesterol-lowering effect [1][2][3]. It is important to consult with a healthcare provider before making any changes to the dosage of Lipitor.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://reference.medscape.com/drug/lipitor-atorvaliq-atorvastatin-342446
[3] https://www.healthline.com/health/drugs/lipitor-dosage