Duloxetine and Escitalopram interaction
Duloxetine and Escitalopram: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.
Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.
What the FDA labels say
From the Duloxetine label · effective 2026-03-02
Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents but also when taken alone.
If concomitant use of Duloxetine Delayed-Release Capsules with other serotonergic drugs is clinically warranted, inform patients of the increased risk for serotonin syndrome and monitor for symptoms.
Other bleeding events related to SSRI and SNRI use have ranged from ecchymoses, hematomas, epistaxis, and petechiae to life-threatening hemorrhages.
Mechanism and Clinical Effect(s) Concomitant use of SSRIs and SNRIs, including Duloxetine Delayed-Release Capsules, with MAOIs increases the risk of serotonin syndrome.
Other Serotonergic Drugs Prevention or Management Monitor for symptoms of serotonin syndrome when Duloxetine Delayed-Release Capsules is used concomitantly with other drugs that may affect the serotonergic neurotransmitter systems.
From the Escitalopram label · effective 2025-08-31
Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents but also when taken alone.
If concomitant use of Escitalopram Capsules with other serotonergic drugs is clinically warranted, inform patients of the increased risk for serotonin syndrome and monitor for symptoms.
Other Serotonergic Drugs Prevention or Management Monitor patients for signs and symptoms of serotonin syndrome, particularly during escitalopram initiation and dosage increases.
If serotonin syndrome occurs, consider discontinuation of Escitalopram Capsules and/or concomitant serotonergic drugs [see Warnings and Precautions ( 5.2 )] .
The risk is increased with concomitant use of other serotonergic drugs (including triptans, tricyclic antidepressants, fentanyl, meperidine, methadone, lithium, tramadol, tryptophan, buspirone, amphetamines, and St.
Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.
Open in the checkerNot 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.