Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Lovastatin can cause the breakdown of muscle tissue, which can lead to kidney failure. Call your doctor right away if you have unexplained muscle pain, tenderness, or weakness especially if you also have fever, unusual tiredness, or dark colored urine.
Also call your doctor at once if you have:
muscle weakness in your hips, shoulders, neck, and back;
trouble lifting your arms, trouble climbing or standing;
kidney problems--little or no urination, swelling in your feet or ankles, feeling tired or short of breath; or
liver problems--loss of appetite, stomach pain (upper right side), tiredness, dark urine, jaundice (yellowing of the skin or eyes).
Common side effects may include:
infections;
headache; or
accidental injury.
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.
 Lovastatin side effects (more detail)
