Illegal use of drugs is a risk factor for many diseases and is known to cause disability and to a more substantial extent, death. Besides, it is linked to risks to the user’s friends, family, and the community. Drug addiction involves the utilization of illicit drugs, unsuitable utilization of other substances such as inhalants and misuse of pharmaceutical drugs. This article explores the issue of drug addiction in Australia, its causes, impact, and the national drug policy. It also provides recommendations to address this health issue.