Answer
Combining isocarboxazid with selective serotonin reuptake inhibitors (SSRIs) can cause serious and sometimes fatal serotonin syndrome, which has also been reported when a monoamine oxidase inhibitor is started after recent SSRI discontinuation.
Sources for this answer
- Isocarboxazid Tablets 10mgAlliance Pharmaceuticals · emc · SmPC §4.3 Contraindications · Version 10Document updated
Sources checked