Tag: weight gain from antidepressants

Mirtazapine and Weight Gain: What You Need to Know About This Common Side Effect

• by Colin Edward Egan
• on 28 Jan 2026

Mirtazapine is one of the antidepressants most likely to cause weight gain, with about 25% of users gaining 7% or more of body weight. Learn why it happens, how much weight people typically gain, and what you can do to manage it.