Can I take 10 and H transdermal together?
Drug interaction guide
Originally published 14 Mar 2026
Meets Patient’s editorial guidelines
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Combining cannabis (THC) with alcohol can significantly increase the effects of both substances. This leads to much greater impairment of your coordination, reaction times, and judgement than taking either one alone. You are more likely to experience dizziness, nausea, vomiting, and extreme drowsiness. It can also increase the risk of anxiety, paranoia, or a 'green out' (feeling very unwell and faint). Additionally, it is strictly illegal to drive with any cannabis in your system in the UK.
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Why this happens
Alcohol can increase the absorption of THC (the active ingredient in cannabis) into your bloodstream, making the 'high' much more intense. Both substances also slow down the central nervous system in similar ways, leading to an additive effect on your brain and body.
What you should do
Back to contentsIt is best to avoid alcohol entirely while using cannabis transdermal patches. The combination makes it difficult to predict how impaired you will be. Do not drive or operate machinery, as it is illegal to drive with any cannabis in your system in the UK, regardless of how you feel.
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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.
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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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