Skip to content

Drug interactions

Dextroamphetamine + Ethanol

Severity: Moderate

Dextroamphetamine and Ethanol: moderate interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Amphetamine can mask the subjective sedation and intoxication of alcohol, so people may drink more and underestimate impairment. Alcohol's depressant effects and motor impairment persist, while the combination adds cardiovascular strain.

What this interaction means in plain words

Dextroamphetamine and Ethanol can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Evidence level: Moderate

Why it happens

Opposing central nervous system effects, with the stimulant masking perceived alcohol impairment; additive cardiovascular stress.

What to do

Advise patients to avoid alcohol while taking amphetamines and not to rely on feeling alert when judging fitness to drive. Counsel about the risk of overconsumption and cardiovascular effects.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Dextroamphetamine and Ethanol, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 7 days on the web. No card needed.

Frequently asked questions

Can I take Dextroamphetamine with Ethanol?

MediHelp rates the interaction as moderate. Dextroamphetamine and Ethanol can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Amphetamine can mask the subjective sedation and intoxication of alcohol, so people may drink more and underestimate impairment. Alcohol's depressant effects and motor impairment persist, while the combination adds cardiovascular strain.

How serious is the interaction between Dextroamphetamine and Ethanol?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise patients to avoid alcohol while taking amphetamines and not to rely on feeling alert when judging fitness to drive. Counsel about the risk of overconsumption and cardiovascular effects.

What other medicines interact with Dextroamphetamine?

MediHelp also lists interactions of Dextroamphetamine with, for example, Isocarboxazid, Linezolid, Methylene blue. The full list is on the Dextroamphetamine page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug interactions

Get the app Sign in