TEVA Atorvastatin 40mg x 28 is a prescription medication used to treat high cholesterol and to reduce the risk of heart attack, stroke, and other heart complications in people with type 2 diabetes, coronary heart disease, or other risk factors. This medication belongs to a class of drugs known as statins, which work by blocking an enzyme in the liver that is responsible for producing cholesterol. Teva Atorvastatin 40mg x 28 is available in a 28-tablet pack and each tablet contains 40mg of atorvastatin. It is taken once daily, with or without food. Common side effects of this medication include headache, nausea, diarrhea, constipation, and muscle pain. It is important to take this medication exactly as prescribed by your doctor. Do not stop taking this medication without consulting your doctor.