Can I take Losartan and Pregabalin together?
Drug interaction guide
Originally published 25 Jan 2026
Meets Patient’s editorial guidelines
- DownloadDownload
- Share
- Language
- Discussion
Both medications can cause drowsiness, dizziness, and a drop in blood pressure. Taking them together may increase the risk of feeling lightheaded, sleepy, or unsteady on your feet, which could lead to falls. Some patients may also experience increased swelling (fluid retention) in the legs or feet.
In this article:
Continue reading below
Why this happens
This is a 'pharmacodynamic' interaction, meaning the drugs have different ways of working but produce similar side effects. Losartan lowers blood pressure, while pregabalin can cause dizziness and sedation as it affects the nervous system. When combined, these effects can add up. Additionally, both drugs are occasionally linked to peripheral oedema (fluid swelling).
What you should do
It is generally safe to take these together, but you should be cautious, especially when starting the combination or increasing the dose. Avoid driving or operating machinery until you know how the mix affects you. To prevent dizziness, try to stand up slowly from a sitting or lying position. If you notice significant swelling in your ankles or feel unusually faint, contact your doctor.
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 Clarithromycin and Rosuvastatin together?
Taking these two medicines together can significantly increase the amount of rosuvastatin in your blood. This increases the risk of serious muscle damage (rhabdomyolysis), which can lead to kidney problems. Symptoms to watch for include unexplained muscle pain, tenderness, or weakness, especially if you also feel generally unwell or have a fever.

Treatment and medication
Can I take Empagliflozin and Losartin together?
Taking these two medicines together can increase the risk of low blood pressure (hypotension) and may affect your kidney function. You might feel dizzy, lightheaded, or faint, especially when standing up quickly. There is also a small risk of your blood potassium levels becoming too high.
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.