Zocor costs almost $25 to $40 … For high-risk sufferers, the dose may be increased to 40 mg a day. Atorvastatin vs Simvastatin Cost. For adults, the usual recommended dose is 10 to 20 mg once per day in the evening. This medication is used for adults and … mg/L) or more and Triglyceride level 250 mg/L were randomly assi gned to atorvastatin 20 mg or atorvastatin 40 mg. After 8 weeks, the statin dose … Atorvastatin (Lipitor, generics) NA 10 to 20 mg Max dose 10 mg, with caution, in patients with a history of renal insufficiency, or CrCl <30 mL/min (Canada).2 40 to 80 mg Max dose 10 mg, with caution, in patients with a history of renal insufficiency, or CrCl <30 mL/min (Canada).2 Fluvastatin (Lescol, Lescol XL, generics) 20 to 40 mg Lipitor that is available in 10, 20,40 and 80 mg while the Zocor is present in the 5, 20, 20, 40, 80 mg dosages. Patients received rosuvastatin 20 mg or atorvastatin 40 mg for 2 weeks, followed by rosuvastatin 40 mg or atorvastatin 80 mg, respectively, for 6 weeks. Atorvastatin oral tablet is a prescription medication used to improve cholesterol levels and decrease your risk for heart attack and stroke. The cost difference is another factor that can help with the Atorvastatin vs Simvastatin comparison.