Drug interactions
Buspirone + Desvenlafaxine
Severity: Moderate
Buspirone and Desvenlafaxine: 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 drugs raise serotonergic activity, so the combination may precipitate serotonin syndrome, particularly after dose increases.
What this interaction means in plain words
Buspirone and Desvenlafaxine 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; Desvenlafaxine belongs to Central Nervous System.
Why it happens
Additive serotonergic effects from SNRI reuptake inhibition and buspirone 5-HT1A agonism.
What to do
Monitor for serotonin toxicity at initiation and titration; discontinue one agent if symptoms develop.
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 Desvenlafaxine
- Desvenlafaxine + Isocarboxazid Contraindicated
- Desvenlafaxine + Methylene blue Contraindicated
- Desvenlafaxine + Phenelzine Contraindicated
- Desvenlafaxine + Rasagiline Contraindicated
- Desvenlafaxine + Safinamide Contraindicated
- Desvenlafaxine + Selegiline Contraindicated
Frequently asked questions
Can I take Buspirone with Desvenlafaxine?
MediHelp rates the interaction as moderate. Buspirone and Desvenlafaxine 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 drugs raise serotonergic activity, so the combination may precipitate serotonin syndrome, particularly after dose increases.
How serious is the interaction between Buspirone and Desvenlafaxine?
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 serotonin toxicity at initiation and titration; discontinue one agent if symptoms develop.
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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