Rosuvastatin is a medication belonging to a class of drugs called statins, which are used to lower cholesterol levels in the blood. It works by inhibiting an enzyme in the liver responsible for producing cholesterol, thereby reducing the risk of heart disease and stroke. This medication is often prescribed to individuals with high cholesterol or those at risk for cardiovascular issues. Common side effects may include muscle pain, headache, and nausea, but serious side effects are rare. Regular monitoring of liver function and cholesterol levels is recommended while taking rosuvastatin.