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Drug interactions

Caffeine + Secobarbital

Severity: Minor

Caffeine and Secobarbital: 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 stimulant that can counteract the sedative and hypnotic effect of secobarbital. This may reduce sleep-promoting efficacy, although the effect is usually modest.

What this interaction means in plain words

Caffeine and Secobarbital 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 belongs to Miscellaneous; Secobarbital belongs to Central Nervous System.

Evidence level: Low

Why it happens

Pharmacodynamic antagonism: adenosine receptor blockade by caffeine opposes barbiturate-induced sedation.

What to do

Advise limiting caffeine intake in the hours before secobarbital is used for sleep.

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 Secobarbital?

MediHelp rates the interaction as minor. Caffeine and Secobarbital 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 stimulant that can counteract the sedative and hypnotic effect of secobarbital. This may reduce sleep-promoting efficacy, although the effect is usually modest.

How serious is the interaction between Caffeine and Secobarbital?

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 limiting caffeine intake in the hours before secobarbital is used for sleep.

What other medicines interact with Secobarbital?

MediHelp also lists interactions of Secobarbital with, for example, Calcium / magnesium / potassium / sodium oxybates, Doravirine, Elbasvir / grazoprevir. The full list is on the Secobarbital page.

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