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Drug interactions

Pimavanserin + Selinexor

Severity: Moderate

Pimavanserin and Selinexor: 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

Selinexor commonly causes dizziness, confusion and fatigue, and pimavanserin can contribute to somnolence and confusion or hallucinations. The overlap is mostly additive and not a defined pharmacological interaction.

What this interaction means in plain words

Pimavanserin and Selinexor 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.

Pimavanserin belongs to Central Nervous System; Selinexor belongs to Oncology.

Evidence level: Low

Why it happens

Additive CNS adverse effects; no specific mechanism established.

What to do

Monitor for dizziness, confusion and sedation and counsel on fall risk. Reduce selinexor or supportive measures per its labeling if neurologic toxicity 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 Pimavanserin with Selinexor?

MediHelp rates the interaction as moderate. Pimavanserin and Selinexor 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. Selinexor commonly causes dizziness, confusion and fatigue, and pimavanserin can contribute to somnolence and confusion or hallucinations. The overlap is mostly additive and not a defined pharmacological interaction.

How serious is the interaction between Pimavanserin and Selinexor?

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 dizziness, confusion and sedation and counsel on fall risk. Reduce selinexor or supportive measures per its labeling if neurologic toxicity occurs.

What other medicines interact with Pimavanserin?

MediHelp also lists interactions of Pimavanserin with, for example, Lefamulin, Pimozide, Vandetanib. The full list is on the Pimavanserin page.

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

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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