Lipitor (atorvastatin) is a medication that is used to lower cholesterol levels in the blood. The appropriate dosage of Lipitor depends on several factors, including the patient's age, medical history, and the severity of their condition.

According to the sources provided, the recommended starting dose of Lipitor is usually 10 mg or 20 mg once daily, taken with or without food. The maximum recommended dose is 80 mg once daily. However, the actual dosage prescribed may vary depending on the patient's individual needs and response to the medication.

It is important to note that Lipitor can interact with other medications and medical conditions, so patients should always consult with their healthcare provider before starting or changing their dosage. Additionally, patients should be monitored regularly for any side effects or changes in their cholesterol levels.

In conclusion, the appropriate dosage of Lipitor varies depending on the patient's individual needs and response to the medication. Patients should always consult with their healthcare provider before starting or changing their dosage and should be monitored regularly for any side effects or changes in their cholesterol levels.

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