Desipramine and Tranylcypromine interaction

Desipramine 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 Tranylcypromine (Tranylcypromine Sulfate) label · effective 2025-07-25

Major

…including: antidepressants, such as: other monoamine oxidase inhibitors (MAOIs) selective serotonin reuptake inhibitors (SSRIs) and serotonin and norepinephrine reuptake inhibitors (SNRIs) tricyclic antidepressants other antidepressants, such as amoxapine, bupropion, maprotiline, nefazodone, trazodone, vilazodone, vortioxetine amphetamines and methylphenidates medicines…

Boxed warningby drug classView label on DailyMed
Major

Concomitant use or use in rapid succession with other MAOIs; selective serotonin reuptake inhibitors; serotonin and norepinephrine reuptake inhibitors; tricyclic antidepressants; sympathomimetic drugs; and numerous other drugs.

Contraindicationsby drug classView label on DailyMed
Major

…including but not limited to: Other monoamine oxidase inhibitors (MAOIs) Selective serotonin reuptake inhibitors (SSRIs) and serotonin and norepinephrine reuptake inhibitors (SNRIs) Tricyclic antidepressants Other antidepressants (e.g., amoxapine, bupropion, maprotiline, nefazodone, trazodone, vilazodone, vortioxetine) Amphetamines and methylphenidates and derivatives…

Contraindicationsby drug classView label on DailyMed
Major

Serotonin Syndrome The development of a potentially life-threatening serotonin syndrome has been reported with MAOIs when used concomitantly with other serotonergic drugs.

Warnings and precautionsby drug classView label on DailyMed
Major

The concomitant use, or use in rapid succession, of tranylcypromine sulfate tablets with other serotonergic drugs is contraindicated.

Warnings and precautionsby drug classView label on DailyMed

From the Desipramine (Norpramin) label · effective 2025-07-03

Major

Anyone considering the use of NORPRAMIN or any other antidepressant in a child, adolescent, or young adult must balance this risk with the clinical need.

Boxed warningby drug classView label on DailyMed
Major

CONTRAINDICATIONS The use of MAOIs intended to treat psychiatric disorders with NORPRAMIN or within 14 days of stopping treatment with NORPRAMIN is contraindicated because of an increased risk of serotonin syndrome.

Contraindicationsby drug classView label on DailyMed
Major

The use of NORPRAMIN within 14 days of stopping an MAOI intended to treat psychiatric disorders is also contraindicated (see WARNINGS and DOSAGE AND ADMINISTRATION ).

Contraindicationsby drug classView label on DailyMed
Major

Starting NORPRAMIN in a patient who is being treated with MAOIs such as linezolid or intravenous methylene blue is also contraindicated because of an increased risk of serotonin syndrome (see WARNINGS and DOSAGE AND ADMINISTRATION ).

Contraindicationsby drug classView label on DailyMed
Major

The concomitant use of NORPRAMIN with MAOIs intended to treat psychiatric disorders is contraindicated.

Warningsby 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.