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Naloxone is a medicine that can quickly reverse an opioid overdose. Opioids (like morphine, heroin or nitazenes) can slow down and even stop your heart or breathing. Naloxone halts these effects and can save a life.

If you’re taking opioids, it’s a good idea to have naloxone on hand – and make sure your friends or whānau know how to use it.

We’re also seeing more potent opioids like nitazenes coming through the drug supply at the moment. That means these opioids could be sold as other drugs. Drug checking can help you find out what’s actually in your drugs, and having naloxone on hand means you’re prepared no matter what.

Currently, only injectable naloxone is available in New Zealand

Injectable naloxone comes in a glass ampoule. You need to inject this into the muscle of someone who is overdosing. This can feel daunting but it’s simple with a bit of practice. Injectable naloxone is free and easy to access.

Nasal spray naloxone (known as Nyxoid or Narcan) is currently not available in New Zealand. 

You can get free injectable naloxone kits from:

Here’s a list of the needle exchanges that you can get naloxone from. Click to see location:

If you’re having trouble getting naloxone, drop us a line and we can help: [email protected]

When to use naloxone

Opioid overdoses can happen quickly. Watch out for symptoms like:

  • Unconsciousness and the person not responding to their name or being touched
  • Difficulty breathing
  • Making choking, gurgling or snoring sounds
  • Blue lips, tongue and hands and their skin is cool and pale
  • Pinpoint pupils

If you think someone has overdosed on opioids, call 111 immediately. Then give them naloxone. They will still need medical help even if they have had naloxone.

Naloxone is safe to give someone even if they haven’t taken opioids. If you don’t know what they’ve taken, but they’re showing symptoms like the ones above, you can give them naloxone.

Keep watching after you’ve given someone naloxone. They may need more than one dose. It’s safe to give as many doses as you need to.

How to use naloxone

Here's how to use injectable naloxone to reverse an opioid overdose:


Or read our article on how to use the nasal spray form of naloxone.

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