Atorvastatin is a medication that belongs to the statin class. Here are some important features of atorvastatin: **Indications:** - Atorvastatin is mainly used to treat cholesterol and blood lipid disorders. Its main goal is to reduce LDL cholesterol ("bad cholesterol") levels and, to a lesser extent, raise HDL cholesterol ("good cholesterol"). **Mechanism of Action:** - Atorvastatin works by inhibiting the enzyme HMG-CoA reductase, which plays an important role in cholesterol synthesis in the liver. By reducing cholesterol production in the liver, LDL cholesterol levels in the bloodstream are lowered. **Cardiovascular Risk Reduction:** - Atorvastatin is used to reduce the risk of cardiovascular diseases, such as coronary heart disease, stroke, and heart attack, in patients with high risk factors. **Dosage and Long-Term Treatment:** - Treatment with atorvastatin is usually long-term. Dosage and duration of treatment vary depending on the medical condition and patient response. **Side Effects:** - As with any medication, atorvastatin can have side effects. Common side effects include muscle pain, weakness, and gastrointestinal disorders. In rare cases, there may be more serious side effects, such as liver damage or rhabdomyolysis (a condition that involves the breakdown of muscle tissue).