Can I take Atorvastatin and Isosorbide mononitrate/carmil/monomil together?
Drug interaction guide
Originally published 25 Jan 2026
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There is no known direct interaction between atorvastatin and isosorbide mononitrate (also known by brand names like Monomil). These two medicines are frequently prescribed together for heart health.
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Why this happens
Atorvastatin works in the liver to lower cholesterol, while isosorbide mononitrate works by relaxing blood vessels to improve blood flow. They are processed by different pathways in the body and do not interfere with each other's effectiveness or safety.
What you should do
Back to contentsYou can safely take these medicines together as prescribed by your doctor. Always ensure you attend your regular blood tests to monitor your cholesterol levels and liver function while taking a statin.
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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.
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Taking amlodipine and citalopram together may increase the risk of developing an abnormal heart rhythm. While both are commonly prescribed together, they can both affect the electrical activity of your heart. In rare cases, this can lead to a serious condition called QT prolongation, where the heart muscle takes longer than normal to recharge between beats. This can cause palpitations, dizziness, or fainting.
Treatment and medication
Can I take Amitriptyline and Atorvastatin together?
There is no significant interaction between amitriptyline and atorvastatin. These two medicines work in different ways and are generally safe to take together.
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Article history
The information on this page is written and peer reviewed by qualified clinicians.
25 Jan 2026 | Originally published
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