Buspirone and Oxymorphone interaction

Buspirone and Oxymorphone: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.

Major

Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.

What the FDA labels say

From the Oxymorphone (Oxymorphone hydrochloride) label · effective 2026-01-15

Major

Serotonergic Drugs : Concomitant use may result in serotonin syndrome.

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Minor

Serotonergic Drugs Clinical Impact: The concomitant use of opioids with other drugs that affect the serotonergic neurotransmitter system has resulted in serotonin syndrome.

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From the Buspirone (Buspirone Hydrochloride) label · effective 2026-03-18

Moderate

Triazolam/flurazepam: Coadministration of buspirone with either triazolam or flurazepam did not appear to prolong or intensify the sedative effects of either benzodiazepine.

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Not medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.