• Kathleen E McGowan, Katherine L March, and Christopher K Finch.
• J Pain Palliat Care Pharmacother. 2021 Jun 1; 35 (2): 113-116.

AbstractWhile mirtazapine is primarily prescribed for major depressive disorder, it is less commonly prescribed for anorexia related to various disease states. Mirtazapine is associated with few adverse events but potential for a discontinuation syndrome does exist. Here we describe a case of a 53-year-old man prescribed mirtazapine 15 mg/day for appetite stimulation who experienced anxiousness, nausea, tremor, loss of appetite, lack of desire for food, and an 8-pound weight loss after abrupt, inadvertent discontinuation. Symptom onset was acute and presented within 48-hours of stopping his medication. Mirtazapine was restarted at the same dose after 14 days of ongoing symptoms and his symptoms subsided immediately. Scant literature exists to highlight the potentially serious adverse events associated with abrupt mirtazapine discontinuation, even at low doses, and this case contributes to advocating for the need of mirtazapine taper when medication cessation is being considered.

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