Control cholesterol by medicine. bLipitor is used to treat high cholesterol. Atorvastatin works by blocking an enzyme in the liver that your body uses to make cholesterol. When less cholesterol is produced, the liver takes up more cholesterol from the bloodstream. This results in lower levels of cholesterol circulating in your blood. Atorvastatin is used with diet changes to reduce the amount of cholesterol and certain fatty substances in your blood.

    

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