Clomipramine and Duloxetine interaction
Clomipramine and Duloxetine: 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 Clomipramine (CLOMIPRAMINE HYDROCHLORIDE) label · effective 2024-11-26
Anyone considering the use of clomipramine hydrochloride or any other antidepressant in a child, adolescent, or young adult must balance this risk with the clinical need.
CONTRAINDICATIONS Clomipramine hydrochloride capsules are contraindicated in patients with a history of hypersensitivity to clomipramine hydrochloride capsules or other tricyclic antidepressants.
Monoamine Oxidase Inhibitors (MAOIs) ( See CONTRAINDICATIONS , WARNINGS , and DOSAGE AND ADMINISTRATION .) Serotonergic Drugs ( See CONTRAINDICATIONS , WARNINGS , and DOSAGE AND ADMINISTRATION .)
Serotonin Syndrome The development of a potentially life-threatening serotonin syndrome has been reported with SNRIs and SSRIs, including clomipramine hydrochloride capsules, alone but particularly with concomitant use of other serotonergic drugs (including triptans, tricyclic antidepressants, fentanyl, lithium, tramadol, tryptophan, buspirone, and St.
If concomitant use of clomipramine hydrochloride capsules with other serotonergic drugs, including triptans, tricyclic antidepressants, fentanyl, lithium, tramadol, buspirone, tryptophan, and St.
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 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.
If serotonin syndrome occurs, consider discontinuation of Duloxetine Delayed-Release Capsules and/or concomitant serotonergic drugs [see Dosage and Administration ( 2.6 ), Warnings and Precautions ( 5.4 )] .
Mechanism and Clinical Effect(s) Concomitant use of Duloxetine Delayed-Release Capsules with other serotonergic drugs increases the risk of serotonin syndrome.
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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.