Deep vein thrombosis is a multifactorial disease characterized by a multitude of risk factors favoring its occurrence. Among these factors, the iatrogenic and especially medicinal factors which remain the most easily avoidable, however quite difficult to prove and establish. [1] Patients with mental illness put on antipsychotics have a higher risk of developing venous thromboembolism compared to the general population. [2] VTE venous thromboembolism is a serious and life-threatening condition. Manifestations of VTE include deep vein thrombosis (DVT) and pulmonary embolism (PE). Considering the importance of this condition, considerable sums are spent on treatment in European and North American countries. VTE affects approximately 1.0 to 1.8 people per 1,000 per year [3]. The incidence increases exponentially with age and the risk increases considerably in