What is Narcan used for?

ADVANCE MINDS • April 3, 2025

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Narcan (naloxone) is a life-saving medication used to reverse opioid overdoses.

It works by rapidly blocking opioid receptors in the brain, restoring normal breathing in someone experiencing an overdose.


🏥 How Does Narcan Work?

Opioids, such as heroin, fentanyl, and prescription painkillers, slow down breathing. In an overdose, breathing can stop completely, leading to death.


Narcan immediately counteracts this effect, helping the person regain consciousness and breathe normally.


⚠️ Signs of an Opioid Overdose

If someone is overdosing, they may show these symptoms:

  • Unresponsiveness or inability to wake up
  • Slow or stopped breathing
  • Bluish lips or fingertips
  • Pinpoint pupils
  • Gurgling or choking sounds


If you suspect an overdose, act immediately:

  1. Call 000 🚨
  2. Administer Narcan (if available)
  3. Perform rescue breathing until help arrives


💊 How to Use Narcan

Narcan is available in two common forms:

  • Nasal Spray (most common) – Simply spray into one nostril.
  • Injection – Given into a muscle (usually the thigh).


Multiple doses may be needed, especially in fentanyl overdoses.


🔄 Does Narcan Work on All Drugs?

No. Narcan only reverses opioid overdoses. It does not work for overdoses from alcohol, cocaine, meth, or benzodiazepines (Xanax, Valium).


Who Should Carry Narcan?

  • Individuals at risk of opioid overdose
  • Family members and friends of opioid users
  • First responders, medical professionals, and social workers


📍 Where Can You Get Narcan?

Narcan is available at pharmacies, community health organizations, and harm reduction programs. In many places, it is available without a prescription.


Final Thoughts

Narcan is a crucial tool in combating the opioid crisis. While it saves lives, it is not a substitute for addiction treatment. If you or someone you know is struggling with opioid use, seeking professional help is essential for long-term recovery.

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