Crestor Side Effects. Common side effects of Crestor include: myalgia. Other side effects include: weakness. You should check with your doctor immediately if any of these side effects occur when taking rosuvastatin:
- dark-colored urine
- fever
- muscle cramps or spasms
- muscle pain, stiffness, tenderness, wasting, or weakness
- unusual tiredness or weakness
- abdominal or stomach pain
- clay-colored stools
- skin rash