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Drug interactions

Opium tincture + Oxycodone

Severity: Major

Opium tincture and Oxycodone: 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

Both are opioid agonists, so combining them produces additive analgesia and additive respiratory and CNS depression. Duplicate opioid therapy raises the risk of overdose and dosing errors, particularly because opium tincture is concentrated.

What this interaction means in plain words

Opium tincture and Oxycodone 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.

Evidence level: High

Why it happens

Additive mu-opioid receptor agonism.

What to do

Avoid concurrent use unless intentionally planned; if combined, reduce doses, calculate total morphine-equivalent exposure and monitor respiratory rate and sedation.

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?

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 Opium tincture with Oxycodone?

MediHelp rates the interaction as major. Opium tincture and Oxycodone 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. Both are opioid agonists, so combining them produces additive analgesia and additive respiratory and CNS depression. Duplicate opioid therapy raises the risk of overdose and dosing errors, particularly because opium tincture is concentrated.

How serious is the interaction between Opium tincture and Oxycodone?

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 concurrent use unless intentionally planned; if combined, reduce doses, calculate total morphine-equivalent exposure and monitor respiratory rate and sedation.

What other medicines interact with Oxycodone?

MediHelp also lists interactions of Oxycodone with, for example, Alvimopan, Calcium / magnesium / potassium / sodium oxybates, Isocarboxazid. The full list is on the Oxycodone page.

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