Common Side Effects of Lipitor
Lipitor (atorvastatin), a statin used to lower cholesterol, commonly causes muscle pain, joint pain, diarrhea, nausea, and urinary tract infections. These affect 1-5% of users and often resolve without stopping the drug.[1]
Serious Risks and Rare Side Effects
Rarer but severe effects include rhabdomyolysis (muscle breakdown leading to kidney damage, <0.1% incidence), liver enzyme elevations (up to 3%), and new-onset diabetes (risk increases 9-12% with high doses). Cognitive issues like memory loss occur in <1% but are reversible.[1][2]
Who Gets Side Effects and Why
Risk rises with higher doses (40-80mg), age over 65, kidney/liver issues, alcohol use, or concurrent drugs like fibrates or cyclosporine. Women and those with low body weight face higher muscle-related risks.[1]
What to Do If Side Effects Appear
Monitor for unexplained muscle weakness, dark urine, or yellowing skin. Doctors check liver enzymes before and during treatment. Switch statins or lower dose if issues arise; report to FDA MedWatch.[2]
Lipitor vs. Other Statins on Side Effects
Lipitor has similar muscle risk to simvastatin but lower liver impact than rosuvastatin. Generic atorvastatin matches branded Lipitor.1
[1]: https://www.accessdata.fda.gov/drugsatfda_docs/label/2019/020702s073lbl.pdf
[2]: https://www.mayoclinic.org/drugs-supplements/atorvastatin-oral-route/side-effects/drg-20067003