Hypersensitivity to escitalopram or to any of the excipients. Children: as safety and efficacy have not been established in this population. Monoamine Oxidase Inhibitors-Cases of serious reactions have been reported in patients receiving an SSRI such as Escitalopram in combination with a monoamine oxidase inhibitor (MAOI), and in patients who have recently discontinued an SSRI and have been started on a MAOI.