Offentliggjorte, retrospektive forsøg rapporterer, at overdosering af venlafaxin kan være forbundet med en forhøjet risiko for dødelig udgang i forhold til det, der ses med SSRI- antidepressiva, men lavere end for tricykliske antidepressiva.
Published retrospective studies report that venlafaxine overdosage may be associated with an increased risk of fatal outcomes compared to that observed with SSRI antidepressant products, but lower than that for tricyclic antidepressants.