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Drug interactions

Iloperidone + Tapentadol

Severity: Moderate

Iloperidone and Tapentadol: 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

Iloperidone is an atypical antipsychotic that causes somnolence, orthostatic hypotension and QT prolongation. With tapentadol, sedation and hypotension may be additive.

What this interaction means in plain words

Iloperidone and Tapentadol 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; Tapentadol belongs to Musculoskeletal.

Evidence level: Moderate

Why it happens

Additive CNS depression and hypotension from alpha-adrenergic and histamine blockade plus opioid agonism.

What to do

Start with low doses and titrate cautiously, monitoring sedation and orthostatic blood pressure. Advise patients to rise slowly and avoid driving until the response is known.

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 Tapentadol?

MediHelp rates the interaction as moderate. Iloperidone and Tapentadol 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 is an atypical antipsychotic that causes somnolence, orthostatic hypotension and QT prolongation. With tapentadol, sedation and hypotension may be additive.

How serious is the interaction between Iloperidone and Tapentadol?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Start with low doses and titrate cautiously, monitoring sedation and orthostatic blood pressure. Advise patients to rise slowly and avoid driving until the response is known.

What other medicines interact with Tapentadol?

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

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

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