OverviewDosageSide EffectsInteractionsHalf-Life

Generic Name: Mirtazapine

Brands: Remeron

Class: Tetracyclic antidepressants, Alpha-2 Antagonist

Availability: prescription required

Molecular Formula: C17H19N3

Substance UNII: Ao51Q2099Q

What is Mirtazapine?

Mirtazapine is a tetracyclic antidepressant. It is often sold under the trade name Remeron.

What is Mirtazapine Used For?

Mirtazapine is for the treatment of depression.

How Does Mirtazapine Work?

Mirtazapine works by increasing noradrenaline (norepinephrine) and serotonin in the brain, chemicals that enhance mood. 

How Long Does it Take for Mirtazapine to Work?

It can take up to four weeks for the full effects of this drug to kick in, but most feel some benefit in one or two weeks. 

Do Not Use Mirtazapine If:

There are several situations where this medication may not be the right choice for you. According to the FDA, the following should not use mirtazapine:

  • Those who are hypersensitive to mirtazapine or any ingredients in the medication
  • People who take, or have taken within the past 14 days, monoamine oxidase inhibitors (MAOIs)

Please note that this list may not be complete, and there may be other situations where the use of this drug is not advisable.

Disclaimer: this article does not constitute or replace medical advice. If you have an emergency or a serious medical question, please contact a medical professional or call 911 immediately. To see our full medical disclaimer, visit our Terms of Use page.

More about Mirtazapine


Written by

Fact Checked by