According to the Food and Drug Administration, heroin was the most abused drug in Taiwan in 2012. Between January and October, 66.8 percent of substance abuse cases handled by the criminal justice system involved heroin. It was the sixth straight year that heroin was the most abused drug in Taiwan.
After heroin, amphetamine accounted for 33.1 percent of substance abuse cases in Taiwan, followed by the abuse of the veterinary medicine ketamine, which accounted for 5 percent of cases.
Insomnia drug Zolpidem was the fourth abused drug in Taiwan with 4.3 percent of cases involving the prescription drug. Ecstasy rounded out the top five with 3.4 percent of cases.
Source: “FDA announces top five drugs abused in Taiwan this year,” Taipei Times, December 16, 2012.