Drug abuse in Hong Kong dropped in the mid-1990, but reappeared again and has Ketamine, that has lowmoderate addiction liability, as the most popular abused substance.
Illegal drug abuse remains one of the major problems among adolescents in Hong Kong. This trend dropped in the mid-1990s, but reappeared in the beginning of the 21st century. The following substances listed, all considered illegal in Hong Kong, are in order of popularity: Ketamine- a general anaesthetic used in intensive care by doctors for its pain relieving and sedative qualities. Lowmoderate 
