The Ecstasy and Related Drugs Reporting System (EDRS) is a national drug monitoring system intended to identify emerging trends of local and national concern in illicit drug markets, and forms part of Drug Trends.

There have been some indications that recreational use of nitrous oxide (also known as ‘nangs’, ‘whippets’, laughing gas, balloons, NOS and N20) and associated harms may be increasing in Australia and elsewhere.