Drug interactions
Ganaxolone + Pimavanserin
Severity: Moderate
Ganaxolone and Pimavanserin: 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
Ganaxolone causes somnolence and sedation, and pimavanserin may also cause CNS effects. Combined use can increase drowsiness and impair alertness.
What this interaction means in plain words
Ganaxolone and Pimavanserin 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.
Ganaxolone belongs to Central Nervous System; Pimavanserin belongs to Central Nervous System.
Why it happens
Additive CNS depressant effects.
What to do
Monitor for excessive sedation and reduce doses if needed. Counsel patients to avoid driving and alcohol.
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?
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Other interactions of Pimavanserin
- Lefamulin + Pimavanserin Contraindicated
- Pimavanserin + Pimozide Contraindicated
- Pimavanserin + Vandetanib Contraindicated
- Adagrasib + Pimavanserin Major
- Amiodarone + Pimavanserin Major
- Amisulpride + Pimavanserin Major
Other interactions of Ganaxolone
Frequently asked questions
Can I take Ganaxolone with Pimavanserin?
MediHelp rates the interaction as moderate. Ganaxolone and Pimavanserin 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. Ganaxolone causes somnolence and sedation, and pimavanserin may also cause CNS effects. Combined use can increase drowsiness and impair alertness.
How serious is the interaction between Ganaxolone and Pimavanserin?
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 excessive sedation and reduce doses if needed. Counsel patients to avoid driving and alcohol.
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.
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