Drug interactions
Ethanol + Methamphetamine
Severity: Moderate
Ethanol and Methamphetamine: 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
Methamphetamine can mask the subjective sense of intoxication from alcohol, so people may drink more and underestimate impairment. Together they place extra strain on the cardiovascular system, and the combination is associated with greater cardiotoxicity than either alone.
What this interaction means in plain words
Ethanol and Methamphetamine 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.
Why it happens
Opposing CNS effects that blunt perceived sedation, plus additive cardiovascular stress; the drugs also have overlapping toxic effects.
What to do
Advise avoiding alcohol during methamphetamine therapy. Counsel patients that alertness does not mean they are sober, and monitor heart rate and blood pressure if both have been taken.
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?
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Other interactions of Methamphetamine
- Isocarboxazid + Methamphetamine Contraindicated
- Linezolid + Methamphetamine Contraindicated
- Methamphetamine + Phenelzine Contraindicated
- Methamphetamine + Procarbazine Contraindicated
- Methamphetamine + Rasagiline Contraindicated
- Methamphetamine + Safinamide Contraindicated
Frequently asked questions
Can I take Ethanol with Methamphetamine?
MediHelp rates the interaction as moderate. Ethanol and Methamphetamine 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. Methamphetamine can mask the subjective sense of intoxication from alcohol, so people may drink more and underestimate impairment. Together they place extra strain on the cardiovascular system, and the combination is associated with greater cardiotoxicity than either alone.
How serious is the interaction between Ethanol and Methamphetamine?
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 avoiding alcohol during methamphetamine therapy. Counsel patients that alertness does not mean they are sober, and monitor heart rate and blood pressure if both have been taken.
What other medicines interact with Methamphetamine?
MediHelp also lists interactions of Methamphetamine with, for example, Isocarboxazid, Linezolid, Phenelzine. The full list is on the Methamphetamine page.
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