Health News
Public Health Warning: Heroin Overdoses Linked to Drugs Thought to Be Cocaine

Public Health Warning: Heroin Overdoses Linked to Drugs Thought to Be Cocaine
NSW Health has issued an urgent warning following four recent heroin overdoses in New South Wales, two of which were fatal. These incidents involved individuals using substances they believed to be cocaine.
Dr. Hester Wilson, NSW Health’s Chief Addiction Medicine Specialist, cautioned that the danger of heroin overdose can arise from even a single dose of what users believe to be cocaine. Two people have died, and two others were hospitalised after using the suspected cocaine.
“A heroin overdose could quickly result from a single line,” Dr. Wilson warned. “Opioids such as heroin can cause severe effects, including pin-point pupils, drowsiness, loss of consciousness, slowed breathing or snoring, and skin turning blue or grey. These are life-threatening symptoms.”
Risks of Unknown Drug Composition
Dr. Wilson emphasised that one of the major risks of illicit drugs is that the contents and strength are often unknown and inconsistent. Heroin and other opioids can sometimes be found in substances sold as cocaine, methamphetamine, or MDMA (ecstasy). “You cannot always distinguish between these drugs by appearance,” she added.

Naloxone
The Importance of Naloxone
People who use substances like cocaine, methamphetamine, MDMA, or opioids are urged to carry naloxone, a life-saving medication that can reverse the effects of opioid overdoses. Naloxone is available as a nasal spray or injection, and it is free and accessible without a prescription in NSW.
If someone shows any unexpected symptoms after using drugs, call Triple Zero (000) immediately and administer naloxone if available. Naloxone can be obtained discreetly by contacting NUAA at (02) 8354 7343, or ordered through their online shop.
Key Resources:
- NSW Poisons Information Centre: 13 11 26 (available 24/7)
- Alcohol and Drug Information Service: 1800 250 015 (for confidential and anonymous support, available 24/7)
- Public drug warnings: Visit NSW Health’s drug warnings page.
Remember, seeking medical help for yourself or others will not result in legal trouble—take action immediately if you or someone else feels unwell.
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