Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have:
unexplained muscle pain, tenderness, or weakness;
muscle weakness in your hips, shoulders, neck, and back;
trouble lifting your arms, trouble climbing or standing;
confusion, memory problems; or
liver problems--upper stomach pain, tiredness, loss of appetite, dark urine, jaundice (yellowing of the skin or eyes).
Common side effects may include:
headache;
weakness;
muscle aches; or
nausea, stomach pain.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
 Rosuvastatin side effects (more detail)
