Rosuvastatin (Crestor) is a potent statin for lowering LDL cholesterol and reducing heart attack and stroke risk. This guide reflects the April 2026 FDA label: the 5 to 40 mg dose range, why Asian patients start at 5 mg, kidney dose limits, muscle warning signs, drug interactions including hepatitis C antivirals, antacid timing, and how it compares with atorvastatin.