Lipitor is a medication used to treat high cholesterol levels and reduce the risk of heart disease [1]. According to the sources provided, the recommended dosage of Lipitor varies depending on the patient's condition and medical history.

The first source, drugpatentwatch.com, provides information about the drug's patent status and does not provide dosage information. However, the second source, drugs.com, states that the usual starting dose of Lipitor is 10-20 mg once daily, and the maximum recommended dose is 80 mg once daily [2]. The dose may be adjusted by a healthcare provider based on the patient's response to the medication and other factors.

The third source, nhs.uk, recommends taking Lipitor once daily at the same time each day, with or without food. The medication should be swallowed whole with water and should not be crushed or chewed. Patients should continue taking Lipitor even if they feel well, as high cholesterol often has no symptoms [3].

It is important to follow the dosage instructions provided by a healthcare provider or pharmacist and to not exceed the maximum recommended dose. Patients should also inform their healthcare provider of any other medications they are taking, as Lipitor may interact with certain medications [2].

In conclusion, the recommended dosage of Lipitor is once daily, with the usual starting dose being 10-20 mg and the maximum recommended dose being 80 mg. Patients should take Lipitor at the same time each day, with or without food, and should not exceed the maximum recommended dose. It is important to follow the dosage instructions provided by a healthcare provider or pharmacist and to inform them of any other medications being taken.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.drugs.com/dosage/lipitor.html
[3] https://www.nhs.uk/medicines/atorvastatin/how-and-when-to-take-atorvastatin/