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Drug interactions

Alprazolam + Iloperidone

Severity: Moderate

Alprazolam and Iloperidone: 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 adds to alprazolam's sedative effects and may also increase alprazolam exposure. This can lead to drowsiness, dizziness, orthostatic hypotension and falls.

What this interaction means in plain words

Alprazolam and Iloperidone 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.

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

Evidence level: Low

Why it happens

Additive CNS depression plus possible CYP3A4 inhibition by iloperidone.

What to do

Monitor for sedation and orthostatic hypotension, and use the lowest effective doses. Reduce alprazolam if excess sedation occurs.

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 Alprazolam with Iloperidone?

MediHelp rates the interaction as moderate. Alprazolam and Iloperidone 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 adds to alprazolam's sedative effects and may also increase alprazolam exposure. This can lead to drowsiness, dizziness, orthostatic hypotension and falls.

How serious is the interaction between Alprazolam and Iloperidone?

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 sedation and orthostatic hypotension, and use the lowest effective doses. Reduce alprazolam if excess sedation occurs.

What other medicines interact with Alprazolam?

MediHelp also lists interactions of Alprazolam with, for example, Calcium / magnesium / potassium / sodium oxybates, Itraconazole, Ketoconazole. The full list is on the Alprazolam page.

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