Can I take 18 and Atomoxetine together?
Drug interaction guide
Originally published 14 Mar 2026
Meets Patient’s editorial guidelines
- DownloadDownload
- Share
- Language
- Discussion
- Audio Version
Drinking alcohol while taking atomoxetine can increase the risk of side effects and may change how the medication works. Common issues include feeling very drowsy, dizzy, or having a faster heart rate. Alcohol can also worsen the symptoms that atomoxetine is meant to treat, such as poor concentration or impulsivity.
In this article:
Video picks for Drug interactions
Continue reading below
Why this happens
Both substances affect the central nervous system. Alcohol is a depressant, while atomoxetine is a selective norepinephrine reuptake inhibitor (a type of stimulant-like medicine). Combining them can put extra strain on your heart and liver, and may lead to unpredictable changes in your mood or coordination.
What you should do
Back to contentsIt is best to avoid or strictly limit alcohol while taking atomoxetine. If you do choose to drink, do so only in very small amounts and stay at home to see how you react. Do not drive or operate machinery if you have consumed alcohol with this medication. If you feel your heart racing or feel very faint, contact your doctor.
Continue reading below
Using other medicines
Back to contentsTaking 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 Magnesium together?
Taking magnesium antacids at the same time as atorvastatin can lower the amount of the statin medicine that your body absorbs. This might make your cholesterol treatment less effective.

Treatment and medication
Can I take Codeine and Magnesium together?
Taking magnesium and codeine together can lead to increased drowsiness and may cause constipation. Magnesium can also slightly interfere with how your body absorbs codeine if taken at the exact same time.
Continue reading below
Article history
The information on this page is written and peer reviewed by qualified clinicians.
14 Mar 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.