The most common side effects of statins are headache, skin flushing, insomnia, muscle weakness, dizziness, drowsiness, nausea or vomiting, abdominal pain, cramping, diarrhea, constipation and skin rash, according to WebMD. The drug also cautions patients of possible memory loss, mental confusion, high blood sugar and Type 2 diabetes.
Rare, but serious side effects include myositis, elevated creatine kinase enzymes and rhabdomyolysis,
conditions that may cause various levels of inflammation, pain, weakness and damage to the muscles.
Individuals should notify their doctor of any over-the-counter drugs, prescription medications or vitamins they are taking. Patients experiencing unexplained joint or muscle pain, tenderness, or weakness while taking statins are advised to consult a physician immediately, warns WebMD.