Drug interactions
Buspirone + Nortriptyline
Severity: Moderate
Buspirone and Nortriptyline: 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
Both agents enhance serotonergic transmission, so there is a theoretical risk of serotonin syndrome. Clinical reports are rare, and the combination is often tolerated when doses are kept modest.
What this interaction means in plain words
Buspirone and Nortriptyline 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.
Buspirone belongs to Central Nervous System; Nortriptyline belongs to Central Nervous System.
Why it happens
Additive serotonergic effects of buspirone 5-HT1A partial agonism and nortriptyline reuptake inhibition.
What to do
Begin with low doses and titrate gradually. Watch for tremor, agitation, diaphoresis and hyperreflexia.
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 Buspirone
- Buspirone + Isocarboxazid Contraindicated
- Buspirone + Linezolid Contraindicated
- Buspirone + Phenelzine Contraindicated
- Buspirone + Procarbazine Contraindicated
- Buspirone + Selegiline Contraindicated
- Buspirone + Selegiline transdermal Contraindicated
Other interactions of Nortriptyline
- Disopyramide + Nortriptyline Contraindicated
- Dofetilide + Nortriptyline Contraindicated
- Dronedarone + Nortriptyline Contraindicated
- Ibutilide + Nortriptyline Contraindicated
- Isocarboxazid + Nortriptyline Contraindicated
- Methylene blue + Nortriptyline Contraindicated
Frequently asked questions
Can I take Buspirone with Nortriptyline?
MediHelp rates the interaction as moderate. Buspirone and Nortriptyline 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. Both agents enhance serotonergic transmission, so there is a theoretical risk of serotonin syndrome. Clinical reports are rare, and the combination is often tolerated when doses are kept modest.
How serious is the interaction between Buspirone and Nortriptyline?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Begin with low doses and titrate gradually. Watch for tremor, agitation, diaphoresis and hyperreflexia.
What other medicines interact with Buspirone?
MediHelp also lists interactions of Buspirone with, for example, Isocarboxazid, Linezolid, Phenelzine. The full list is on the Buspirone page.
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