Can I take Omeprazole and Sertraline together?
Drug interaction guide
Originally published 25 Jan 2026
Meets Patient’s editorial guidelines
- DownloadDownload
- Share
- Language
- Discussion
Taking omeprazole and sertraline together can increase the amount of sertraline in your bloodstream. This may increase the risk of side effects from sertraline, such as feeling sick (nausea), tremors, sleep problems, or feeling agitated. In rare cases, it could lead to a serious condition called serotonin syndrome, which causes high body temperature, sweating, and confusion.
In this article:
Continue reading below
Why this happens
Sertraline is broken down in the liver by certain proteins (enzymes). Omeprazole can slow down these proteins, which means the sertraline stays in your body longer and reaches higher levels than intended.
What you should do
You can take these medicines together, but you should be aware of increased side effects. If you notice you are feeling more anxious, shaky, or unwell after starting omeprazole, speak to your doctor. They may suggest a lower dose of sertraline or a different type of indigestion medicine (like famotidine or lansoprazole) that is less likely to interfere.
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 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 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.