While mirtazapine is associated with some common side effects, it is important to remember that your doctor prescribed the drug because its ability to keep alleviate your symptoms of depression outweigh any adverse side effects if may cause.
Common side effects, however, may include:
Rare but serious side effects may include:
Suicidal Thoughts and Behaviors
Agranulocytosis (low white blood cell count)
QT Prolongation and Torsades de Pointes
Increased Appetite and Weight Gain
Activation of Mania or Hypomania Seizures
Elevated Cholesterol and Triglycerides
Hyponatremia (see Warnings and Precautions)
If you are experiencing any of these side effects or symptoms, contact your doctor right away.
As with most antidepressants, mirtazapine may increase the risk of suicidal thoughts or behaviors in young adult patients. If you or a loved one is experiencing suicidal thoughts, please call the National Suicide Prevention Lifeline at 800-273-8255 or dial 911.
This is not a complete list of mirtazapine side effects. To learn more about the side effects you may experience, visit the National Institutes of Health’s DailyMed page for mirtazapine.