Drug interactions
Belladonna and opium + Secobarbital
Severity: Major
Belladonna and opium and Secobarbital: major 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
Opium adds opioid CNS and respiratory depression to the barbiturate's effect. Profound sedation, respiratory depression, or coma may occur.
What this interaction means in plain words
Belladonna and opium and Secobarbital can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
Additive CNS and respiratory depression via GABA-A potentiation and opioid receptor agonism.
What to do
Avoid combination where possible; otherwise use the lowest doses for the shortest duration and monitor sedation and respiratory rate.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Secobarbital
- Calcium / magnesium / potassium / sodium oxybates + Secobarbital Contraindicated
- Doravirine + Secobarbital Contraindicated
- Elbasvir / grazoprevir + Secobarbital Contraindicated
- Elvitegravir / cobicistat / emtricitabine / tenofovir df + Secobarbital Contraindicated
- Isavuconazonium + Secobarbital Contraindicated
- Lonafarnib + Secobarbital Contraindicated
Frequently asked questions
Can I take Belladonna and opium with Secobarbital?
MediHelp rates the interaction as major. Belladonna and opium and Secobarbital can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Opium adds opioid CNS and respiratory depression to the barbiturate's effect. Profound sedation, respiratory depression, or coma may occur.
How serious is the interaction between Belladonna and opium and Secobarbital?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid combination where possible; otherwise use the lowest doses for the shortest duration and monitor sedation and respiratory rate.
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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