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Drug interactions

Iloperidone + Tranylcypromine

Severity: Moderate

Iloperidone and Tranylcypromine: moderate 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

Combining an MAO inhibitor with an antipsychotic may increase the risk of serotonin toxicity or neuroleptic malignant syndrome, although such events are uncommon. Iloperidone also causes orthostatic hypotension, which may be additive with MAO inhibitor effects.

What this interaction means in plain words

Iloperidone and Tranylcypromine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Iloperidone belongs to Central Nervous System; Tranylcypromine belongs to Central Nervous System.

Evidence level: Low

Why it happens

Combined serotonergic and dopaminergic modulation plus additive hypotensive effects; precise mechanism is not firmly established.

What to do

Monitor for hyperthermia, rigidity, mental status change and autonomic instability, as well as orthostatic blood pressure. Titrate iloperidone slowly.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

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 Iloperidone with Tranylcypromine?

MediHelp rates the interaction as moderate. Iloperidone and Tranylcypromine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Combining an MAO inhibitor with an antipsychotic may increase the risk of serotonin toxicity or neuroleptic malignant syndrome, although such events are uncommon. Iloperidone also causes orthostatic hypotension, which may be additive with MAO inhibitor effects.

How serious is the interaction between Iloperidone and Tranylcypromine?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for hyperthermia, rigidity, mental status change and autonomic instability, as well as orthostatic blood pressure. Titrate iloperidone slowly.

What other medicines interact with Tranylcypromine?

MediHelp also lists interactions of Tranylcypromine with, for example, 5-HTP, Amitriptyline, Amoxapine. The full list is on the Tranylcypromine page.

Full monographs, dosing and an interaction checker in the MediHelp app

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