Known interactions between the following drugs: Crestor, Niacin extended-release and lovastatin

Although the cause of this potential interaction is not clearly understood, using niacin and rosuvastatin at the same time could cause a serious or potentially life-threatening side effect that involves the destruction of muscle tissue and could lead to kidney failure. These drugs should generally not be used together unless your doctor is monitoring you very closely. Promptly report any unexplained muscle pain, tenderness, or weakness to your doctor. Ask your healthcare provider about these drugs and this potential interaction as soon as possible.

Although the cause of this potential interaction is not clearly understood, using niacin and lovastatin at the same time could cause a serious or potentially life-threatening side effect that involves the destruction of muscle tissue and could lead to kidney failure. These drugs should generally not be used together unless your doctor is monitoring you very closely. Promptly report any unexplained muscle pain, tenderness, or weakness to your doctor. Ask your healthcare provider about these drugs and this potential interaction as soon as possible.