The aim of this study is to take note of  social worker´s views on opiate addiction and medication-assisted treatment. The definition of social workers in this paper, is people who are involved with individuals  who have an opiate addiction and have therefore been in contact with drug assisted treatment. Data was collected through interviews with social workers. The interviews were based on an interview questionnaire on four explicit themes: Motivation, Medical Assisted Treatment (LA) Other complementary treatment and expenses and its meanings. These are analyzed and discussed through the theory of harm reduction and the theory of labeling.