Mirtazapine and Sertraline interaction

Mirtazapine and Sertraline: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.

Major

Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.

What the FDA labels say

From the Mirtazapine (REMERONSOLTAB) label · effective 2025-08-06

Major

Serotonin Syndrome : Increased risk when co-administered with other serotonergic drugs (e.g., SSRI, SNRI, triptans), but also when taken alone.

Warnings and precautionsby drug classView label on DailyMed
Major

Serotonin Syndrome Serotonergic antidepressants, including REMERON/REMERONSolTab, can precipitate serotonin syndrome, a potentially life-threatening condition.

Warnings and precautionsby drug classView label on DailyMed
Major

If concomitant use of REMERON/REMERONSolTab with other serotonergic drugs is clinically warranted, inform patients of the increased risk for serotonin syndrome and monitor for symptoms.

Warnings and precautionsby drug classView label on DailyMed
Major

Table 5: Clinically Important Drug Interactions with REMERON/REMERONSolTab Monoamine Oxidase Inhibitors (MAOIs) Clinical Impact The concomitant use of serotonergic drugs, including REMERON/REMERONSolTab, and MAOIs increases the risk of serotonin syndrome.

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Major

If serotonin syndrome occurs, consider discontinuation of REMERON/REMERONSolTab and/or concomitant serotonergic drugs [see Warnings and Precautions (5.3) ].

Drug interactionsby drug classView label on DailyMed

From the Sertraline (sertraline hydrochloride) label · effective 2025-08-06

Major

Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone.

Warnings and precautionsby drug classView label on DailyMed
Major

If concomitant use of sertraline hydrochloride capsules with other serotonergic drugs is clinically warranted, inform patients of the increased risk for serotonin syndrome and monitor for symptoms.

Warnings and precautionsby drug classView label on DailyMed
Moderate

The risk is increased with concomitant use of other serotonergic drugs (including triptans, tricyclic antidepressants, fentanyl, lithium, tramadol, meperidine, methadone, tryptophan, buspirone, amphetamines, and St.

Warnings and precautionsby drug classView label on DailyMed
Minor

Activation of Mania or Hypomania In patients with bipolar disorder, treating a depressive episode with sertraline hydrochloride capsules or another antidepressant may precipitate a mixed/manic episode.

Warnings and precautionsby drug classView label on DailyMed
Minor

Other Serotonergic Drugs Clinical Impact: Concomitant use of sertraline hydrochloride capsules with other serotonergic drugs (including other SSRIs, SNRIs, triptans, tricyclic antidepressants, opioids, lithium, buspirone, amphetamines, tryptophan, and St.

Drug interactionsby drug classView label on DailyMed

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Not medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.