Acetaminophen and codeine and Tranylcypromine interaction

Acetaminophen and codeine 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 Acetaminophen and codeine (ACETAMINOPHEN AND CODEINE PHOSPHATE) label · effective 2026-01-22

Major

…respiratory depression ( see WARNINGS ). acute or severe bronchial asthma in an unmonitored setting or in the absence of resuscitative equipment ( see WARNINGS ). concurrent use of monoamine oxidase inhibitors (MAOIs) or use of MAOIs within the last 14 days ( see WARNINGS ). known or suspected gastrointestinal obstruction, including paralytic ileus ( see WARNINGS…

Contraindicationsby drug classView label on DailyMed
Major

Acetaminophen and codeine phosphate tablets should not be used in patients taking MAOIs or within 14 days of stopping such treatment.

Warningsby drug classView label on DailyMed
Major

Serotonin Syndrome Inform patients that opioids could cause a rare but potentially life-threatening condition resulting from concomitant administration of serotonergic drugs.

Precautionsby drug classView label on DailyMed
Moderate

Interaction with Monoamine Oxidase Inhibitors Monoamine oxidase inhibitors (MAOIs) may potentiate the effects of morphine, codeine’s active metabolite, including respiratory depression, coma, and confusion.

Warningsby drug classView label on DailyMed
Moderate

Examples of these drugs include, selective serotonin reuptake inhibitors (SSRIs), serotonin and norepinephrine reuptake inhibitors (SNRIs), tricyclic antidepressants (TCAs), triptans, 5-HT3 receptor antagonists, drugs that affect the serotonin neurotransmitter system (e.g., mirtazapine, trazodone, tramadol), certain muscle relaxants (i.e., cyclobenzaprine, metaxalone),…

Drug interactionsby 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

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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.