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Can I take 18 and Atomoxetine together?

Drug interaction guide

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.

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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.

It 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.

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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.

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Article history

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

  • 14 Mar 2026 | Originally published
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