Drug interactions
Olanzapine + Opium tincture
Severity: Major
Olanzapine and Opium tincture: 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
Opioids and olanzapine both depress the CNS, so combined use can cause marked sedation, hypotension and respiratory depression. Opium tincture is potent and dosed in small volumes, so errors are dangerous.
What this interaction means in plain words
Olanzapine and Opium tincture 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 from mu-opioid agonism and olanzapine's sedating receptor effects.
What to do
Use the lowest effective opioid dose, verify measurement carefully and monitor sedation and respiratory rate. Avoid additional sedatives and alcohol.
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 Olanzapine
Frequently asked questions
Can I take Olanzapine with Opium tincture?
MediHelp rates the interaction as major. Olanzapine and Opium tincture 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. Opioids and olanzapine both depress the CNS, so combined use can cause marked sedation, hypotension and respiratory depression. Opium tincture is potent and dosed in small volumes, so errors are dangerous.
How serious is the interaction between Olanzapine and Opium tincture?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use the lowest effective opioid dose, verify measurement carefully and monitor sedation and respiratory rate. Avoid additional sedatives and alcohol.
What other medicines interact with Olanzapine?
MediHelp also lists interactions of Olanzapine with, for example, Amisulpride, Amoxapine, Apomorphine. The full list is on the Olanzapine page.
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