As with any medicine, side effects are possible with simvastatin.
However, not everyone who takes it will experience side effects. In fact, most people tolerate the drug well. If side effects do occur, in most cases, they are minor and either require no treatment or are easily treated by you or your healthcare provider. Even if side effects do develop, most people do not need to stop taking the medicine. In previous research studies, up to 1.4 percent of people stopped taking simvastatin because of side effects.
The most common side effects thought to be related to the medicine were:
Rare side effects, occurring in less than 1 percent of people, include but are not limited to:
Keep in mind that if you experience unexplained muscle pain, tenderness, or weakness, (especially if you also have a fever or feel ill), it is important to contact your healthcare provider immediately. This could be a sign of a serious, life-threatening muscle problem.
(Click Simvastatin Side Effects to learn more, including additional serious side effects you should report to your healthcare provider.)