Selegiline and Vilazodone interaction

Selegiline and Vilazodone: 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 Selegiline (ZELAPAR) label · effective 2021-06-01

Major

• May cause serotonin syndrome when used with antidepressants (5.2)

Warnings and precautionsby drug classView label on DailyMed
Major

Serotonin Syndrome Serotonin syndrome and hyperpyrexia have been reported with the combined treatment of an antidepressant (e.g., selective serotonin reuptake inhibitors-SSRIs, serotonin-norepinephrine reuptake inhibitors-SNRIs, tricyclic antidepressants, tetracyclic antidepressants, triazolopyridine antidepressants) and a non-selective MAOI (e.g., phenelzine,…

Warnings and precautionsby drug classView label on DailyMed
Major

In the post-marketing period, fatal and non-fatal cases of serotonin syndrome have been reported in patients treated with antidepressants concomitantly with ZELAPAR [see Contraindications (4) and Drug Interactions ( 7.1 , 7.2 , 7.3 )] .

Warnings and precautionsby drug classView label on DailyMed
Major

Because the mechanisms responsible for these reactions are not fully understood, avoid the combination of ZELAPAR with any antidepressant.

Warnings and precautionsby drug classView label on DailyMed
Moderate

…allow concomitant use of any selective serotonin re-uptake inhibitor (e.g., fluoxetine-Prozac, fluvoxamine-Luvox, paroxetine-Paxil, sertraline, venlafaxine-Effexor, or nefazodone-Serzone) or any non-selective serotonin reuptake inhibiting antidepressant drug (except when taken at a low dose and only at night for the purpose of effective sleep) with ZELAPAR.

Warnings and precautionsby drug classView label on DailyMed

From the Vilazodone (VIIBRYD) label · effective 2023-10-01

Major

VIIBRYD is contraindicated in: Patients taking, or within 14 days of stopping, monoamine oxidase inhibitors (MAOIs), including MAOIs such as linezolid or intravenous methylene blue, because of an increased risk of serotonin syndrome [see Warnings and Precautions ( 5.2 ) , Drug Interactions ( 7 ) ] .

Contraindicationsby drug classView label on DailyMed
Major

Concomitant use of monoamine oxidase inhibitors (MAOIs), or use within 14 days of stopping MAOIs ( 4 )

Contraindicationsby drug classView label on DailyMed
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

The concomitant use of VIIBRYD with MAOIs is contraindicated.

Warnings and precautionsby drug classView label on DailyMed
Major

If concomitant use of VIIBRYD 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

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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.