Skip to main content

Can I take Amitriptyline and Pregabalin together?

Drug interaction guide

Taking amitriptyline and pregabalin together can make you feel very sleepy, dizzy, and unsteady on your feet. It can also cause significant confusion, difficulty concentrating, and may slow down your breathing.

Continue reading below

Why this happens

Both medicines work by slowing down activity in the central nervous system. When used together, their sedative effects add up (an additive effect), making the side effects much stronger than if you took either medicine alone.

What you should do

Use this combination with caution. Do not drive, cycle, or operate heavy machinery until you know how these medicines affect you. Avoid drinking alcohol, as it will make the sleepiness much worse. If you feel extremely drowsy or have trouble breathing, seek medical help immediately. Your doctor may need to adjust your doses.

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.

Continue reading below

Article history

The information on this page is written and peer reviewed by qualified clinicians.

  • 25 Jan 2026 | Originally published
flu eligibility checker

Ask, share, connect.

Browse discussions, ask questions, and share experiences across hundreds of health topics.

symptom checker

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.

Please enter a valid email address

By subscribing you accept our Privacy Policy. You can unsubscribe at any time. We never sell your data.