Lipitor 20mg is a prescription medication containing atorvastatin calcium, manufactured by Pfizer. Each pack contains 30 tablets of 20mg strength. This medication belongs to a class of drugs called statins and is used to lower cholesterol and triglycerides in the blood. Lipitor works by reducing the amount of cholesterol made by the liver. The active ingredient atorvastatin calcium helps prevent cardiovascular disease in people with high risk factors. The medication should be taken as prescribed by a healthcare provider, typically once daily with or without food. The distinctive packaging features Pfizer's blue and white color scheme with the recognizable Lipitor logo. Store at room temperature away from moisture and heat. This is a prescription-only medication that requires ongoing medical supervision.