Can I take Amlodipine and Cod liver oil together?
Drug interaction guide
Originally published 25 Jan 2026
Meets Patient’s editorial guidelines
- DownloadDownload
- Share
- Language
- Discussion
Both amlodipine and cod liver oil can lower your blood pressure. Taking them together might cause your blood pressure to drop slightly lower than intended.
In this article:
Continue reading below
Why this happens
Amlodipine is a calcium channel blocker designed to lower blood pressure. Cod liver oil contains omega-3 fatty acids, which have a natural, mild blood-pressure-lowering effect. When used together, these effects can add up.
What you should do
It is generally safe to take these together, but you should monitor your blood pressure regularly. If you feel dizzy, lightheaded, or faint (especially when standing up), speak to your doctor or pharmacist. They may need to adjust your medication dose.
Continue reading below
Using other medicines
Taking 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 Atorvastatin and Levothyroxine together?
Taking these two medicines together is generally safe, but there is a minor interaction where atorvastatin might slightly increase the levels of levothyroxine in your blood. Conversely, your thyroid levels can affect how well atorvastatin works to lower your cholesterol.

Treatment and medication
Can I take Idapamide and Ramipril together?
Taking indapamide and ramipril together can cause your blood pressure to drop too low, especially when you first start the combination. This can make you feel dizzy, lightheaded, or faint. It can also put extra strain on your kidneys.
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.