Hypersensitivity. Patients using other MAOI (eg, selegiline HCl, rasagiline mesilate); pethidine HCl-containing products, tramadol HCl-containing products, or tapentadol HCl; TCAs (eg, amitriptyline HCl, amoxapine, imipramine HCl, clomipramine HCl, dosulepin HCl, trimipramine maleate, nortriptyline HCl, lofepramine HCl), tetracyclic antidepressants (eg, maprotiline HCl, mianserin HCl, setiptiline maleate), SSRIs (eg, fluvoxamine maleate, paroxetine HCl hydrate, sertraline HCl, escitalopram oxalate), SNRI (eg, milnacipran HCl, duloxetine HCl, venlafaxine HCl), selective noradrenaline reuptake inhibitor (atomoxetine HCl), noradrenergic & serotonergic antidepressant (mirtazapine), or CNS stimulants (eg, methylphenidate HCl, lisdexamfetamine mesilate). Severe hepatic impairment (Child-Pugh C). Pregnancy or women suspected being pregnant.