Milnacipran and Viloxazine interaction
Milnacipran and Viloxazine: the Milnacipran prescribing label flags 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 Milnacipran (Milnacipran Hydrochloride) label · effective 2026-03-19
Serotonin Syndrome Selective-serotonin reuptake inhibitors (SSRIs) and serotonin-norepinephrine reuptake inhibitors (SNRIs), including milnacipran hydrochloride, can precipitate serotonin syndrome, a potentially life-threatening condition.
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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.