Nalbuphine and Tranylcypromine interaction

Nalbuphine and Tranylcypromine: 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 Nalbuphine (Nalbuphine Hydrochloride) label · effective 2026-07-16

Major

Monoamine Oxidase Inhibitors (MAOIs) MAOI (e.g., phenelzine, tranylcypromine, linezolid) interactions with opioids may manifest as serotonin syndrome [see PRECAUTIONS; Drug Interactions ] or opioid toxicity (e.g., respiratory depression, coma [see WARNINGS ]).

Drug interactionsby drug classView label on DailyMed
Major

The use of Nalbuphine Hydrochloride Injection is not recommended for patients taking MAOIs or within 14 days of stopping such treatment.

Drug interactionsby drug classView label on DailyMed
Major

Monoamine Oxidase Inhibitor (MAOI) Interaction Inform patients to avoid taking Nalbuphine Hydrochloride Injection while using any drugs that inhibit monoamine oxidase.

Precautionsby drug classView label on DailyMed
Moderate

Serotonergic Drugs The concomitant use of opioids with other drugs that affect the serotonergic neurotransmitter system, such as selective serotonin reuptake inhibitors (SSRIs), serotonin and norepinephrine reuptake inhibitors (SNRIs), tricyclic antidepressants (TCAs), triptans, 5-HT3 receptor antagonists, drugs that effect the serotonin neurotransmitter system…

Drug interactionsby drug classView label on DailyMed
Moderate

Patients should not start MAOIs while taking Nalbuphine Hydrochloride Injection [see PRECAUTIONS; Drug Interactions ].

Precautionsby drug classView label on DailyMed

From the Tranylcypromine (Tranylcypromine Sulfate) label · effective 2025-07-25

Moderate

Excessive reduction of blood glucose (additive effect) f CNS depressant agents (including opioids, alcohol, sedatives, hypnotics) Use with caution d Increased CNS depression Dietary supplements containing sympathomimetics Contraindicated a Antidepressants including but not limited to: Other MAOIs (e.g., linezolid, intravenous methylene blue, selective MAOIs)…

Drug interactionsby drug classView label on DailyMed

Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.

Open in the checker

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.