Buprenorphine and naloxone and Lithium interaction

Buprenorphine and naloxone and Lithium: the Buprenorphine and naloxone prescribing label 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 Buprenorphine and naloxone label · effective 2026-06-16

Major

Serotonergic Drugs: Concomitant use may result in serotonin syndrome.

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Minor

Intervention: None Serotonergic Drugs Clinical Impact: The concomitant use of opioids with other drugs that affect the serotonergic neurotransmitter system has resulted in serotonin syndrome.

Drug interactionsby drug classView label on DailyMed

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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.