Yes, Lipitor (atorvastatin) dosage can be adjusted based on individual patient needs and response to treatment. The recommended starting dose for Lipitor is usually 10-20 mg once daily, but the dosage can be increased up to 80 mg once daily in certain cases. The dosage adjustment should be made under the guidance of a healthcare professional and based on the patient's lipid levels, medical history, and other factors [2][3].

For instance, if the patient's LDL cholesterol level does not decrease sufficiently with the initial dose, the healthcare provider may increase the dosage. Conversely, if the patient experiences adverse effects such as muscle pain or liver dysfunction, the healthcare provider may reduce the dosage or discontinue the medication [2].

It is important to note that Lipitor is a prescription medication and should only be taken as directed by a healthcare provider. Patients should not adjust their dosage without consulting their healthcare provider first. Additionally, Lipitor should be used in conjunction with a healthy diet and exercise program to achieve optimal cholesterol-lowering effects [3].

Sources:
[2] Medscape - Atorvastatin (Rx) - Indications, Dosage, Side Effects
https://reference.medscape.com/drug/lipitor-atorvaliq-atorvastatin-342446

[3] Drugs.com - Lipitor Dosage
https://www.drugs.com/dosage/lipitor.html