The deadly opioid fentanyl is turning up in disguise on Sydney streets, making illicit drug use even riskier
- Written by Julaine Allan, Senior research fellow, Charles Sturt University

On February 21 NSW Health issued a warning about methamphetamine and cocaine being contaminated with the dangerous opioid fentanyl.
Several people who had taken these illicit stimulant drugs presented to Sydney hospitals with symptoms of opioid overdose, raising the alarm. Drug tests found fentanyl and acetyl-fentanyl had caused the...