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Mirtazapine
Average User Rating:
Mirtazapine, 2.77 / 5 (13 votes)

Mirtazapine Side Effects

The front and back of a 30 mg Remeron tablet.

Severe Side Effects of Mirtazapine

  •  Mirtazapine may worsen depression and increase the risk of suicide, especially during the beginning and end of treatment.  See black box warning.
  • Long term use of Mirtazapine may cause restless leg syndrome.
  • Some patients taking Mirtazapine may experience a decrease in sodium levels, or Hyponatremia.  This may be mild or fatal, and lead to coma or death.
  • In some rare cases, Mirtazapine has caused Agranulocytosis, or a drop in white blood cell count.  Severe infection may occur.
  • Serotonin Syndrome may occur in some patients taking Mirtazapine.  It entails a dangerous increase of serotonin in the body.

Common Side Effects of Mirtazapine

  • Some of the common side effects include weakness, swelling, increased susceptibility to flu, infrequent bowel movements, increased appetite and weight gain, dry mouth, moderate to intense drowsiness, dizzy spells, and frequent urination.