Mirtazapine for Functional Dyspepsia

In a randomized, placebo-controlled pilot study (J Tack et al. Clin Gastroenterol Hepatol 2016; 385-92) with 34 patients (29 women, median age 35.9 years), the authors showed improved dyspepsia symptom scores at weeks 4 and 8 compared with baseline.

Background: Mirtazapine is an antidepressant which is associated with weight gain and improvement in nausea.

Methods: The treatment group received 15 mg each day.


  • Compared with the control group, these was improvement in early satiety, quality of life, GI-specific anxiety, nutrient tolerance, and weight loss.
  • Two patients in the treatment group dropped out due drowsiness.  Interestingly, the trend of improvement was greater at week 4 then for week 8.
  • The authors note that epigastric pain and burning did not improve.

Limitations: small number of patients, and tertiary care patient population

My take: more studies are needed for this vexing problem

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Disclaimer: These blog posts are for educational purposes only. Specific dosing of medications/diets (along with potential adverse effects) should be confirmed by prescribing physician/nutritionist.  This content is not a substitute for medical advice, diagnosis or treatment provided by a qualified healthcare provider. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a condition.

Fountain at Gibbs Gardens

Fountain at Gibbs Gardens


1 thought on “Mirtazapine for Functional Dyspepsia

  1. Pingback: How PPIs Improve Functional Dyspepsia | gutsandgrowth

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