Monoamine Oxidase Inhibitors (MAOIs) in psychiatric practice:: how to use them safely and effectively

Abstract

Monoamine oxidase inhibitors (MAOIs) were among the first licensed pharmacological treatments for patients with depression, but over time have fallen out of mainstream clinical use. This has led to a loss of clinician training opportunities and reduced availability of MAOIs for prescribing. This article provides a concise and practical overview of how to use MAOIs safely and effectively in psychiatric practice. We consider the history of MAOIs, why they are not used more frequently, their mechanisms of action, availability, indications and efficacy, general tolerability, withdrawal symptoms, and safety considerations (including hypertensive reactions and serotonin syndrome). Practical advice is given in terms of dietary restrictions, interactions with other medications (both prescribed and non-prescribed), and how prescribers can stop and switch MAOIs, both within the drug class and outside of it. We also provide advice on choice of MAOI and treatment sequencing. Lastly we consider emerging directions and potential additional indications.

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Identifiers

ORCID for David Baldwin: orcid.org/0000-0003-3343-0907

ORCID for Samuel Chamberlain: orcid.org/0000-0001-7014-8121

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