Rosuvastatin is used with diet, exercise, and weight loss for prevention of heart attack and stroke. Learn about its uses , side effects, dosage , precautions, and more. Rosuvastatin is a medicine used in the treatment of high blood cholesterol and triglycerides (fats) levels. This medicine works by blocking the production of unhealthy fats in your body and prevents the risk of heart problems and stroke (a condition that causes reduced oxygen supply to the brain). Rosuvastatin has some side effects like nausea, weakness, muscle pain, stomach pain, etc. These side effects are mild and may subside by themselves. Consult your doctor if these side effects last ... Rosuvastatin is a statin used to manage cholesterol and prevent heart disease. Learn its uses , dosage , side effects, and precautions for safe usage. Crestor ( Rosuvastatin Calcium) may treat, side effects, dosage , drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources.