Drug interactions
Buspirone + Lorcaserin
Severity: Moderate
Buspirone and Lorcaserin: 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 act on serotonergic pathways, so using them together could increase the risk of serotonin syndrome. Lorcaserin has been withdrawn from many markets.
What this interaction means in plain words
Buspirone and Lorcaserin 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.
Why it happens
Additive serotonergic effects from 5-HT1A agonism of buspirone and 5-HT2C agonism of lorcaserin.
What to do
Avoid combining where possible; if used together, monitor for serotonin syndrome features such as agitation, tremor, and hyperthermia.
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
Frequently asked questions
Can I take Buspirone with Lorcaserin?
MediHelp rates the interaction as moderate. Buspirone and Lorcaserin 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 act on serotonergic pathways, so using them together could increase the risk of serotonin syndrome. Lorcaserin has been withdrawn from many markets.
How serious is the interaction between Buspirone and Lorcaserin?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid combining where possible; if used together, monitor for serotonin syndrome features such as agitation, tremor, and hyperthermia.
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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