Can I take Esomeprazole and Tizanidine together?
Drug interaction guide
Originally published 25 Jan 2026
Meets Patient’s editorial guidelines
- DownloadDownload
- Share
- Language
- Discussion
Taking esomeprazole and tizanidine together can significantly increase the amount of tizanidine in your blood. This makes side effects much more likely and more severe. You may experience extreme drowsiness, dizziness, a significant drop in blood pressure (which can lead to fainting), and a very slow heart rate.
In this article:
Continue reading below
Why this happens
Tizanidine is broken down in the body by a specific liver enzyme (CYP1A2). Esomeprazole interferes with this enzyme, slowing down how quickly the body can get rid of tizanidine. This causes the medicine to build up to potentially dangerous levels.
What you should do
You should speak to your doctor before taking these two medicines together. They may want to adjust your dose of tizanidine or suggest an alternative acid-reducing medication (such as famotidine) that does not interfere with your liver enzymes in the same way. If you are already taking both and feel unusually sleepy or faint, seek medical advice immediately.
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 Black cohosh and Vitamin d together?
There are no known significant interactions between black cohosh and vitamin D. It is generally considered safe to take these two supplements together.

Treatment and medication
Can I take Hydroxycarbamide and Hydroxychloroquine together?
Both hydroxycarbamide and hydroxychloroquine can lower your blood cell counts. Taking them together may increase the risk of developing serious infections, anaemia (low red blood cells), or bruising and bleeding problems. There is also a small risk that both medications could affect your heart rhythm or increase the risk of skin reactions.
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.