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What is naloxone?

How to use naloxone

Where to get free naloxone

Get Naloxone

Naloxone (also known under the brand name NARCAN) is a safe medication that reverses an opioid-involved overdose. When someone has too many opioids in their system, their breathing can slow down to the point of stopping, which will cause them to die from lack of oxygen.

Naloxone removes opioids from the receptors in the brain that control breathing, and allows the person to start breathing again. Naloxone only works on opioids, and can be the difference between life and death for someone experiencing an opioid-involved overdose.

Cook County Department of Public Health provides:

Get naloxone. Stop an overdose. Save a life.

Get Naloxone Animated Video – Be Prepared (English)

Get Naloxone Animated Video – Be Prepared (Spanish)

Updated July 23, 2025, 2:07 PM

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