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Лекарственные взаимодействия

Isocarboxazid + Nortriptyline

Тяжесть: Противопоказано

Isocarboxazid and Nortriptyline: contraindicated interaction.

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Кратко

Isocarboxazid irreversibly inhibits monoamine oxidase, so serotonin is not broken down, and nortriptyline is a tricyclic antidepressant that blocks noradrenaline and serotonin reuptake. Together they can precipitate serotonin syndrome with hyperthermia, agitation, clonus and autonomic instability, which can be fatal.

Что означает это взаимодействие простыми словами

Isocarboxazid and Nortriptyline 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.

Isocarboxazid belongs to Central Nervous System; Nortriptyline belongs to Central Nervous System.

Уровень доказательности: High

Почему это происходит

Excess serotonergic activity (MAO inhibition plus serotonin reuptake or receptor effects)

Что делать

Do not co-administer. Leave at least 14 days after stopping isocarboxazid before starting nortriptyline, and at least 14 days after stopping nortriptyline before starting isocarboxazid.

О чём спросить фармацевта

  • 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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Частые вопросы

Can I take Isocarboxazid with Nortriptyline?

MediHelp rates the interaction as contraindicated. Isocarboxazid and Nortriptyline 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. Isocarboxazid irreversibly inhibits monoamine oxidase, so serotonin is not broken down, and nortriptyline is a tricyclic antidepressant that blocks noradrenaline and serotonin reuptake. Together they can precipitate serotonin syndrome with hyperthermia, agitation, clonus and autonomic instability, which can be fatal.

How serious is the interaction between Isocarboxazid and Nortriptyline?

MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Do not co-administer. Leave at least 14 days after stopping isocarboxazid before starting nortriptyline, and at least 14 days after stopping nortriptyline before starting isocarboxazid.

What other medicines interact with Nortriptyline?

MediHelp also lists interactions of Nortriptyline with, for example, Disopyramide, Dofetilide, Dronedarone. The full list is on the Nortriptyline page.

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