Two people have died from a heroin overdose after using a drug they thought was cocaine.
NSW Health has issued an urgent warning after two people were hospitalised and another two died after using the substance.
NSW Health Chief Addiction Medicine Specialist Dr Hester Wilson said people may not be able to tell the difference between heroin and cocaine by looking at the substance.
“Heroin and other opioids can be sold as or found in cocaine, methamphetamine, and MDMA (ecstasy),” Wilson said.
“One of the dangers of illicit drug supply is the strength and contents of the substance you are getting is unknown and can be inconsistent.
“A heroin overdose could quickly result from a single line.
“It is important that people recognise the signs of an opioid overdose early and know how to respond.
“Opioids such as heroin can cause pin-point pupils, drowsiness, loss of consciousness, slowed breathing/snoring and skin turning blue/grey and can be life-threatening.”
NSW Health said anyone using drugs such as cocaine, methamphetamine, MDMA or opioids should carry naloxone in case of an overdose.
Naloxone is a medicine that reverses the effects of opioids. It is available in injections or as a nasal spray from some pharmacies.
NSW Health also said to seek medical help if a friend is feeling unwell or showing signs of an overdose.
“You won’t get into trouble for seeking medical care. If you feel unwell, or if your friend feels unwell, do something about it.”