"Low-threshold health care centres (LTHC) offer health services (e.g. needle exchange, medical services) without attempting to control intake of drugs, and provide counselling only if requested. LTHCs may be contrasted with regular treatment programmes (“high-threshold" programmes), in which the user is required to accept a certain level of control. In Sweden, drug-treatment programmes as well as harm reduction interventions (NSPs, maintenance-treatment) are required to apply a high degree of control over participants (e.g. identification, age above 20 etc.). No LTHCs are provided within the regular health care in Sweden. Only a few non-governmental organisations (user organisations) provide basic health care, e.g. prevention measures for infectious diseases, without requiring identification."

Source

Swedish National Institute of Public Health. "2013 National Report (2012 data) to the EMCDDA by the Reitox National Focal Point: Sweden: New Developments, Trends and in-depth information on selected issues." Östersund: Swedish National Institute of Public Health, 2013, p. 71.
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