The new dosage of Lipitor, a medication used to lower cholesterol levels, has not been mentioned in the sources provided. However, the sources do provide information on the medication itself and its potential effects.

Lipitor is a brand name for atorvastatin, which belongs to a class of drugs called HMG-CoA reductase inhibitors, or statins. It works by blocking an enzyme that produces cholesterol in the liver, thereby reducing the amount of cholesterol in the blood [2]. Lipitor is commonly prescribed to lower LDL (bad) cholesterol and triglycerides, and to increase HDL (good) cholesterol [3].

According to MedlinePlus, Lipitor may cause side effects such as muscle pain or weakness, liver problems, and digestive problems. It may also interact with other medications, such as blood thinners and certain antibiotics [2].

Medscape notes that while Lipitor is generally well-tolerated, it may increase the risk of developing diabetes, particularly in patients with certain risk factors such as obesity and high blood sugar [3].

DrugPatentWatch provides information on the expiration of Lipitor's patent, which occurred in 2011. This has led to the availability of generic versions of atorvastatin, which may be less expensive than the brand-name medication [1].

In conclusion, while the sources provided do not discuss a new dosage of Lipitor, they do provide information on the medication itself, its potential side effects, and its availability as a generic. As with any medication, it is important to discuss any concerns or questions with a healthcare provider.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://medlineplus.gov/druginfo/meds/a600045.html
[3] https://reference.medscape.com/drug/lipitor-atorvaliq-atorvastatin-342446