Atorvastatin (Lipitor) Overview, Dosage, How to Take, Side Effects and Warnings

Atorvastatin (Lipitor) dosage. Lipitor can be administered as a single dose at any time of the day, with or without food. The dosage range of Lipitor is 10 to 80 milligrams (mg) once daily, and it is usually given as a 10 or 20 mg once daily. However, depending on your condition and medical history, you may be prescribed 40 mg once a day.