Drug interactions
Gepirone + Nortriptyline
Severity: Major
Gepirone and Nortriptyline: major 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
Both drugs may prolong the QT interval, and both enhance serotonergic activity, so the combination carries QT risk and a potential for serotonin syndrome. Gepirone is also metabolized by CYP3A4, and the label warns about additive risks with other serotonergic or QT-prolonging drugs.
What this interaction means in plain words
Gepirone and Nortriptyline 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.
Gepirone belongs to Central Nervous System; Nortriptyline belongs to Central Nervous System.
Why it happens
Additive QT prolongation plus additive serotonergic activity, with nortriptyline inhibiting serotonin reuptake.
What to do
Avoid the combination where possible, or obtain a baseline ECG and monitor QTc and electrolytes. Watch for agitation, tremor, hyperreflexia, fever and diarrhea, and stop one drug if serotonin syndrome occurs.
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?
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Other interactions of Nortriptyline
- Disopyramide + Nortriptyline Contraindicated
- Dofetilide + Nortriptyline Contraindicated
- Dronedarone + Nortriptyline Contraindicated
- Ibutilide + Nortriptyline Contraindicated
- Isocarboxazid + Nortriptyline Contraindicated
- Methylene blue + Nortriptyline Contraindicated
Other interactions of Gepirone
- Clarithromycin + Gepirone Contraindicated
- Gepirone + Isocarboxazid Contraindicated
- Gepirone + Itraconazole Contraindicated
- Gepirone + Ketoconazole Contraindicated
- Gepirone + Linezolid Contraindicated
- Gepirone + Phenelzine Contraindicated
Frequently asked questions
Can I take Gepirone with Nortriptyline?
MediHelp rates the interaction as major. Gepirone and Nortriptyline 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 may prolong the QT interval, and both enhance serotonergic activity, so the combination carries QT risk and a potential for serotonin syndrome. Gepirone is also metabolized by CYP3A4, and the label warns about additive risks with other serotonergic or QT-prolonging drugs.
How serious is the interaction between Gepirone and Nortriptyline?
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, or obtain a baseline ECG and monitor QTc and electrolytes. Watch for agitation, tremor, hyperreflexia, fever and diarrhea, and stop one drug if serotonin syndrome occurs.
What other medicines interact with Nortriptyline?
MediHelp also lists interactions of Nortriptyline with, for example, Disopyramide, Dofetilide, Dronedarone. The full list is on the Nortriptyline page.
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