Drug addiction is defined as compulsive and out-of-control drug use, despite negative consequences. In the last few decades, drug addiction has increased exponentially in Pakistan. Most of the illegal drugs come from the neighbouring Afghanistan. According to the UN estimate few million people in the country are drug users. Cannabis is the most used drug. The rate of injection drug abuse has also increased significantly in Pakistan, sparking fears of an HIV epidemic. As per 2013 report on drugs by the United Nations Office On Drugs And Crime (UNODC), almost 6.7 million people are taking drugs in Pakistan. The report also revealed that people from age 15 to 64 use prescription drugs for non-medical purposes.