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Naloxone (Narcan®)

Opioid Overdose Reversal Medication

Naloxone (Narcan®) is an emergency medication to use to reverse an opioid overdose. Anyone can save a life during an opioid overdose with naloxone. Giving someone naloxone won’t hurt them, so don’t hesitate to use it in an emergency. When used properly, it can instantly revive people of any age who are experiencing an overdose until medical help arrives.  

Watch a video on how to use Naloxone Nasal Spray.

What are some signs of an opioid overdose?

Call 911 immediately if a person shows ANY of the following symptoms:

  • Their face is extremely pale and/or feels clammy to the touch.
  • Their body goes limp.
  • Their fingernails or lips have a purple or blue color.
  • They start vomiting or making gurgling noises.
  • They cannot be awakened or are unable to speak.
  • Their breathing or heartbeat slows or stops.

Opioids are prescription drugs, such as hydrocodone (Vicodin®), oxycodone (OxyContin®), oxycodone/acetaminophen (Percocet®), fentanyl, and morphine. They are also illegal drugs such as heroin.

How to avoid opioid overdose


  • Take medicine only if it has been prescribed to you by your doctor.
  • Do not take more medicine than instructed.
  • Call a doctor if your pain gets worse.
  • Never mix pain medicines with alcohol, sleeping pills or any illegal substance.
  • Learn the signs of drug overdose.
  • Learn how to use Naloxone safely.
  • Teach your family and friends how to respond to an overdose.
  • Dispose of unused medicines safely (This video can help you learn how to do this).

Learn more about naloxone from the National Institute on Drug Abuse.


Find free Naloxone (Narcan) in Missouri and Kansas.

Download a printable PDF version of the information on this page: In English | En Español


Disclaimer: The content contained herein is meant to promote the general understanding of Naloxone and is for informational purposes only. Such information does not serve as a substitute for a health care professional’s clinical training, experience or judgment. Individuals and their families should not use such information as a substitute for professional medical, therapeutic or health care advice and counseling. No warranty whatsoever, whether express or implied by law, is made with respect to the content.