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Drug interactions

Citalopram + Gepirone

Severity: Major

Citalopram and Gepirone: major interaction.

Last updated Sources: US FDA label

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

Both drugs can prolong the QT interval and both enhance serotonergic activity. Combined use raises the risk of arrhythmia and serotonin syndrome. Gepirone labeling advises against combining it with other QT-prolonging drugs in many settings.

What this interaction means in plain words

Citalopram and Gepirone can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.

Citalopram belongs to Central Nervous System; Gepirone belongs to Central Nervous System.

Evidence level: Moderate

Why it happens

Additive QT prolongation plus additive serotonergic effects (SSRI with a 5-HT1A agonist antidepressant).

What to do

Avoid the combination where possible and do not co-prescribe two antidepressants without clear need. If used, monitor ECG and electrolytes and watch for signs of serotonin syndrome.

What to ask your pharmacist

  • Does the benefit of taking both outweigh the risk in my case?
  • Do I need any blood test, ECG or other check while on both?
  • What early warning signs should I watch for, and what should I do if they appear?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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References

Frequently asked questions

Can I take Citalopram with Gepirone?

MediHelp rates the interaction as major. Citalopram and Gepirone can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Both drugs can prolong the QT interval and both enhance serotonergic activity. Combined use raises the risk of arrhythmia and serotonin syndrome. Gepirone labeling advises against combining it with other QT-prolonging drugs in many settings.

How serious is the interaction between Citalopram and Gepirone?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination where possible and do not co-prescribe two antidepressants without clear need. If used, monitor ECG and electrolytes and watch for signs of serotonin syndrome.

What other medicines interact with Citalopram?

MediHelp also lists interactions of Citalopram with, for example, Cisapride, Dronedarone, Escitalopram. The full list is on the Citalopram page.

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