Lipitor (atorvastatin) is used to treat high cholesterol and lower the risk of cardiovascular problems. Learn about side effects, generic, dosage, uses, and more. Detailed dosage guidelines and administration information for Lipitor (atorvastatin calcium). Includes dose adjustments, warnings and precautions. Learn about side effects, dosage, uses, and more for Lipitor (atorvastatin), which is a prescription tablet that treats high cholesterol in adults and some children. LIPITOR is a prescription medicine that contains a cholesterol lowering medicine (statin) called atorvastatin. LIPITOR is used: heart attack, stroke, certain types of heart surgery and chest pain in adults who do not have heart disease but have other multiple risk factors for heart disease. LIPITOR is a prescription medicine that contains a cholesterol lowering medicine (statin) called atorvastatin. LIPITOR is used: heart attack, stroke, certain types of heart surgery and chest pain in adults who do not have heart disease but have other multiple risk factors for heart disease. Lipitor is used to treat high cholesterol. Learn about side effects, interactions and indications. Overview: Atorvastatin is used to treat high cholesterol levels and to lower your risk of heart disease, heart attack, or stroke. It works by decreasing the amount of cholesterol made by your liver. Lipitor is a prescription medicine used to lower the risk of stroke, heart attack, or other heart complications. Learn about dosage, side effects, drug interactions, warnings, and more. Atorvastatin, sold under the brand name Lipitor among others, is a statin medication used to prevent cardiovascular disease in those at high risk and to treat abnormal lipid levels. [7] Atorvastatin is used together with a proper diet to lower cholesterol and triglyceride (fats) levels in the blood. This medicine may help prevent medical problems (eg, chest pain, heart attack, or stroke) that are caused by fats clogging the blood vessels.