Skip to content

Drug interactions

Ethanol + Lisdexamfetamine

Severity: Moderate

Ethanol and Lisdexamfetamine: 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

Alcohol is a CNS depressant and lisdexamfetamine is a stimulant. The stimulant may reduce perceived intoxication without reducing impairment, leading to greater alcohol intake. Both can also affect the cardiovascular system and judgement.

What this interaction means in plain words

Ethanol and Lisdexamfetamine 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 CNS pharmacodynamic effects that mask subjective intoxication, with additive cardiovascular strain.

What to do

Advise patients to avoid alcohol while taking lisdexamfetamine. Counsel that alertness does not indicate that driving is safe.

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 Ethanol and Lisdexamfetamine, 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 Ethanol with Lisdexamfetamine?

MediHelp rates the interaction as moderate. Ethanol and Lisdexamfetamine 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. Alcohol is a CNS depressant and lisdexamfetamine is a stimulant. The stimulant may reduce perceived intoxication without reducing impairment, leading to greater alcohol intake. Both can also affect the cardiovascular system and judgement.

How serious is the interaction between Ethanol and Lisdexamfetamine?

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 lisdexamfetamine. Counsel that alertness does not indicate that driving is safe.

What other medicines interact with Lisdexamfetamine?

MediHelp also lists interactions of Lisdexamfetamine with, for example, Isocarboxazid, Linezolid, Phenelzine. The full list is on the Lisdexamfetamine 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