A patient has been prescribed phenelzine for the treatment of depression. The nurse should instruct the patient about which common side effects of monoamine oxidase inhibitors (MAOIs)?

Dizziness
Orthostatic hypotension

Explanation

• Orthostatic hypotension and dizziness are very common side effects of MAOIs, such as phenelzine (Nardil).

• Other side effects of MAOIs include insomnia, anxiety, agitation, headache, and anticholinergic effects. Anticholinergic effects include dry mouth, blurred vision, urinary retention, and constipation.

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