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Simvastatin: 7 things you should know

Medically reviewed by Carmen Pope, BPharm. Last updated on May 16, 2024.

1. How it works

2. Upsides

3. Downsides

If you are between the ages of 18 and 60, take no other medication or have no other medical conditions, side effects you are more likely to experience include:

Note: In general, seniors or children, people with certain medical conditions (such as liver or kidney problems, heart disease, diabetes, seizures) or people who take other medications are more at risk of developing a wider range of side effects. View complete list of side effects

4. Bottom Line

Simvastatin is effective at lowering cholesterol; however, it may cause muscle pain, particularly at higher dosages. Should not be used by people with active liver disease or in women planning a pregnancy or who are pregnant.

5. Tips

6. Response and effectiveness

7. Interactions

Medicines that interact with simvastatin may either decrease its effect, affect how long it works, increase side effects, or have less of an effect when taken with simvastatin. An interaction between two medications does not always mean that you must stop taking one of the medications; however, sometimes it does. Speak to your doctor about how drug interactions should be managed.

Common medications that may interact with simvastatin include:

Note that this list is not all-inclusive and includes only common medications that may interact with simvastatin. You should refer to the prescribing information for simvastatin for a complete list of interactions.


Further information

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use simvastatin only for the indication prescribed.

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Copyright 1996-2024 Revision date: May 15, 2024.