Lescol XL, Fluvastatin is a cholesterol-lowering medication that belongs to the class of drugs known as statins. It's primarily used to reduce levels of bad cholesterol (low-density lipoprotein, or LDL) and triglycerides in the blood while increasing levels of good cholesterol (high-density lipoprotein, or HDL). Fluvastatin works by inhibiting an enzyme called HMG-CoA reductase, which plays a cr..