What are the side effects of simvastatin?

Statins: This class of compounds is used to lower elevated levels of fats in the body. Common side effects include abdominal pain, diarrhea, indigestion, and a general feeling of weakness. Rare side effects include joint pain, memory loss, and muscle cramps. Cholestatic hepatitis, hepatic cirrhosis, rhabdomyolysis and myositis have been reported in patients receiving the drug chronically.