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Phenelzine
Pronounced FEN-el-zeen
Brand names: Nardil
Type: MAOI antidepressant · All Mental Health Medicines
What Phenelzine is used for
- Depression that has not responded to other treatments
- Depression with atypical features, on specialist care
Common side effects
- Dizziness on standing
- Weight gain
- Trouble sleeping
- Dry mouth
- Sexual problems
Important cautions
- Requires strict avoidance of certain aged and fermented foods (such as aged cheeses and cured meats) and many medicines — breaking the rules can cause a dangerous blood pressure crisis
- Interacts with a very long list of medicines, including other antidepressants, decongestants, and opioids — every prescriber must know it is being taken
How it comes
Tablets. This guide lists forms only — it never lists strengths or doses.
Toxicity lists: Phenelzine also appears on Medicines That Can Harm the Liver.
Related medicines — Mental Health Medicines
Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.