Can I take Amlodopine and Simvastatin together?
Drug interaction guide
Originally published 25 Jan 2026
Meets Patient’s editorial guidelines
- DownloadDownload
- Share
- Language
- Discussion
Taking these two medicines together can increase the amount of simvastatin in your blood. This makes you more likely to experience side effects, particularly muscle pain, tenderness, or weakness (a condition called myopathy). In rare cases, this can lead to a serious condition called rhabdomyolysis, which can cause kidney damage.
In this article:
Continue reading below
Why this happens
Amlodipine interferes with a specific enzyme in your liver (called CYP3A4) that is responsible for breaking down simvastatin. Because the enzyme is busy dealing with the amlodipine, it cannot clear the simvastatin as quickly as usual, leading to higher levels of the statin in your body.
What you should do
Back to contentsYou can take these medicines together, but your doctor must limit your dose of simvastatin. In the UK, it is recommended that patients taking amlodipine should not take more than 20mg of simvastatin daily. If you are currently prescribed a higher dose (such as 40mg or 80mg), speak to your doctor about adjusting your prescription. Seek medical advice immediately if you develop unexplained muscle pain or dark-coloured urine.
Continue reading below
Using other medicines
Back to contentsTaking multiple medicines? Our Medicines Interaction Checker helps you check whether your prescriptions, over-the-counter medicines, and supplements are safe to take together. Simply search for your medicines to see potential interactions and what to do about them.
Disclaimer
This information is for general educational purposes only and should not be relied upon as a substitute for professional medical advice. Always consult your GP, pharmacist, or another qualified healthcare professional before making decisions about your medications. Individual circumstances may vary, and only a healthcare professional who knows your medical history can provide personalised guidance.
Patient picks for Drug interactions

Treatment and medication
Can I take Citalopram and Co codamol together?
Taking these two medicines together can increase the risk of a rare but serious condition called serotonin syndrome. It can also make you feel more drowsy or dizzy than usual. Additionally, citalopram may slightly reduce how well the codeine part of the co-codamol works to relieve your pain.

Treatment and medication
Can I take Amitriptyline and Zopiclone together?
Taking amitriptyline and zopiclone together can make you feel extremely drowsy, dizzy, and confused. It significantly increases the risk of falling over, especially in the dark or when getting out of bed at night. It can also cause your breathing to become very slow or shallow, and may lead to severe coordination problems.
Continue reading below
Article history
The information on this page is written and peer reviewed by qualified clinicians.
25 Jan 2026 | Originally published

Ask, share, connect.
Browse discussions, ask questions, and share experiences across hundreds of health topics.

Feeling unwell?
Assess your symptoms online for free
Sign up to the Patient newsletter
Your weekly dose of clear, trustworthy health advice - written to help you feel informed, confident and in control.
By subscribing you accept our Privacy Policy. You can unsubscribe at any time. We never sell your data.