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Phenelzine and Venlafaxine

Desk tier: Avoid together

Mechanism: MAOI × serotonergic (serotonin syndrome / hypertensive crisis)

“serotoninergic drugs (e.g., … venlafaxine … the concomitant use of NARDIL with serotoninergic agents is contraindicated”
Nardil (phenelzine), section CONTRAINDICATIONS. DailyMed label

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All pairs for Phenelzine · Venlafaxine

Educational reference only. Not FDA-cleared. The Prescribing Information governs.