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Interactions médicamenteuses

Butorphanol + Olanzapine / samidorphan

Gravité: Contre-indiquée

Butorphanol and Olanzapine / samidorphan: contraindicated interaction.

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Résumé

Samidorphan is an opioid antagonist that blocks butorphanol's analgesic effect. In opioid-dependent patients it may precipitate acute withdrawal.

Ce que signifie cette interaction, en termes simples

Butorphanol and Olanzapine / samidorphan are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two.

Niveau de preuve: High

Pourquoi elle survient

Samidorphan antagonizes opioid receptors, opposing the effect of butorphanol.

Conduite à tenir

Avoid the combination; follow the labeled opioid-free interval (7 days for short-acting, 14 days for long-acting opioids) before starting. Use non-opioid analgesics during treatment.

Questions à poser à votre pharmacien

  • Is there an alternative to one of these two medicines for me?
  • If both are essential, who is monitoring me and how often?
  • Which symptoms mean I should stop and seek help straight away?

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

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Questions fréquentes

Can I take Butorphanol with Olanzapine / samidorphan?

MediHelp rates the interaction as contraindicated. Butorphanol and Olanzapine / samidorphan are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two. Samidorphan is an opioid antagonist that blocks butorphanol's analgesic effect. In opioid-dependent patients it may precipitate acute withdrawal.

How serious is the interaction between Butorphanol and Olanzapine / samidorphan?

MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination; follow the labeled opioid-free interval (7 days for short-acting, 14 days for long-acting opioids) before starting. Use non-opioid analgesics during treatment.

What other medicines interact with Butorphanol?

MediHelp also lists interactions of Butorphanol with, for example, Sodium oxybate, Alfentanil, Alprazolam. The full list is on the Butorphanol page.

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Ouvrez le référentiel complet, vérifiez les interactions entre plusieurs médicaments et utilisez les outils de posologie dans l'application MediHelp.

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