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Mirtazapine

Also sold as Mirtazapine, mirtazapine

Medicine summary · from official FDA labels · Oct 19, 2026

Serious warning: WARNING: SUICIDAL THOUGHTS AND BEHAVIORS Antidepressants increased the risk of suicidal thoughts and behaviors in pediatric and young adult patients in short-term studies. Closely monitor all antidepressant-treated patients for clinical worsening, and for emergence of suicidal thoughts and behaviors [see Warnings and Precautions (5.
5 recalls on record — a recall affects specific batches; check with your pharmacist.

What it’s used for

Mirtazapine tablets are indicated for the treatment of major depressive disorder (MDD) in adults [see Clinical Studies (14) ]. Mirtazapine tablets are indicated for the treatment of major depressive disorder (MDD) in adults.

How to take it

2 DOSAGE AND ADMINISTRATION • Starting dose: 15 mg once daily; may increase up to maximum recommended dose of 45 mg once daily. ( 2.

Important warnings

5 WARNINGS AND PRECAUTIONS • Agranulocytosis: If sore throat, fever, stomatitis or signs of infection occur, along with a low white blood cell count, treatment with mirtazapine should be discontinued and the patient should be closely monitored. ( 5.

Common side effects

The following adverse reactions are described in more detail in other sections of the prescribing information: • Hypersensitivity [see Contraindications (4) ] • Suicidal Thoughts and Behaviors [see Warnings and Precautions (5. 1) ] • Agranulocytosis [see Warnings and Precautions (5.

Interactions

Table 5 includes clinically important drug interactions with mirtazapine [see Clinical Pharmacology (12.

If pregnant or breastfeeding

8.

Forms & strengths

0.02 MG Topical Ointment · 15 MG Disintegrating Oral Tablet · 30 MG Disintegrating Oral Tablet · 45 MG Disintegrating Oral Tablet · 15 MG Oral Tablet · 45 MG Oral Tablet · 30 MG Oral Tablet · 7.5 MG Oral Tablet

Questions to ask your doctor or pharmacist

  • Is this the right medicine for my condition, and how long should I take it?
  • What side effects should I watch for, and which need urgent attention?
  • Does this interact with my other medicines, supplements, or alcohol?
  • What should I do if I miss a dose or take too much?