Any agency that provides treatment to people with drug problems. Treatment centres can be based within structures that are medical or non-medical, governmental or non-governmental, public or private, specialised or non-specialised. They include inpatient detoxification units, outpatient clinics, drug substitution programmes (maintenance or shorter-term), therapeutic communities, counselling and advice centres, street agencies, crisis centres, drug-treatment programmes in prisons and special services for drug users within general health or social-care facilities.
