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Drug interactions

Caffeine + Lormetazepam

Severity: Minor

Caffeine and Lormetazepam: minor 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

Caffeine is a CNS stimulant that can partly counteract the sedative and hypnotic effect of lormetazepam. The hypnotic benefit may be reduced, especially when caffeine is taken in the evening.

What this interaction means in plain words

Caffeine and Lormetazepam have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Evidence level: Moderate

Why it happens

Caffeine blocks adenosine receptors, which opposes the GABA-A mediated sedation produced by benzodiazepines.

What to do

Advise patients to avoid caffeine in the hours before lormetazepam at bedtime. Do not increase the benzodiazepine dose to overcome caffeine-related insomnia.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

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

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Frequently asked questions

Can I take Caffeine with Lormetazepam?

MediHelp rates the interaction as minor. Caffeine and Lormetazepam have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Caffeine is a CNS stimulant that can partly counteract the sedative and hypnotic effect of lormetazepam. The hypnotic benefit may be reduced, especially when caffeine is taken in the evening.

How serious is the interaction between Caffeine and Lormetazepam?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise patients to avoid caffeine in the hours before lormetazepam at bedtime. Do not increase the benzodiazepine dose to overcome caffeine-related insomnia.

What other medicines interact with Caffeine?

MediHelp also lists interactions of Caffeine with, for example, Ephedrine, Fezolinetant, Methylenedioxymethamphetamine. The full list is on the Caffeine page.

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