The interface between addictions and the development of mental disorders, including mood disorders and suicidal behavior, is a critical facet to explore and understand. While approximately 50% of individuals who die by suicide show signs of major depression and the majority end their lives during an episode of major depression, more than a quarter show substance use disorders.Patterns of use, including substance used, mode of use, frequency and amount of substance used has an influence on the likelihood of suicidal ideation and behavior