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Phenelzine (Nardil) explained

Phenelzine (Nardil) is a monoamine oxidase inhibitor (MAOI) for treatment‑resistant depression and certain anxiety disorders; requires dietary restrictions to avoid hypertensive crisis.

FDA Approved

Phenelzine (Nardil) helps treat

• Major depressive disorder (treatment‑resistant)
• Social anxiety disorder (off‑label)
• Panic disorder (off‑label)


additional medications

• Tricyclics/SSRIs/SNRIs (after washout)
• Augmentation strategies
• Psychotherapy

medication risks

• Hypertensive crisis with tyramine
• Serotonin syndrome with serotonergic drugs
• Orthostatic hypotension

side effects

• Dizziness
• Insomnia
• Weight gain
• Sexual dysfunction

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FAQs

Q: What is phenelzine used for?
A: Treatment‑resistant depression and select anxiety disorders.

Q: Dietary restrictions?
A: Avoid tyramine‑rich foods to prevent hypertensive crisis.

Q: Drug interactions?
A: Many—contraindicated with most antidepressants, decongestants, some pain meds.

Q: Washout periods?
A: Strict washouts when switching to/from MAOIs.

Q: Who is a candidate?
A: Patients who failed other therapies under specialist care.

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