Lipitor is a brand name for atorvastatin, which is a medication used to lower cholesterol levels in the blood. According to Drug Patent Watch [1], the active ingredient in Lipitor, atorvastatin, is classified as a statin drug, which works by blocking the enzyme that produces cholesterol in the liver. Statins are known to have some potential side effects, and one of the concerns is whether they increase blood sugar levels.

The Mayo Clinic [2] notes that statins, including Lipitor, may cause an increase in blood sugar levels. However, this effect is generally mild, and the risk of developing diabetes from taking statins is low. The article also suggests that people who are at a higher risk of developing diabetes, such as those with a family history of the condition, should be monitored closely while taking statins.

A study published in the US National Library of Medicine [3] investigated the effects of atorvastatin on blood sugar levels in patients with high cholesterol levels. The study found that atorvastatin did not significantly affect blood sugar levels in these patients. However, the study also noted that further research is needed to determine the long-term effects of statins on blood sugar levels.

In conclusion, while Lipitor and other statins may cause a mild increase in blood sugar levels, the risk of developing diabetes from taking these medications is generally low. People who are at a higher risk of developing diabetes should be monitored closely while taking statins. Further research is needed to fully understand the effects of statins on blood sugar levels.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.mayoclinic.org/diseases-conditions/high-blood-cholesterol/in-depth/statin-side-effects/art-20046013
[3] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3016087/