Naloxone Kits in Ontario: Free, No Prescription Needed
Last reviewed 2026-10-14
Naloxone temporarily reverses an opioid overdose. In Ontario, kits are free at participating pharmacies and public health units with no prescription.
Where to get one
- Participating pharmacies (bring your health card if you have one)
- Public health units
- Community health and harm reduction programs
Signs of an overdose
- Can't be woken up
- Slow or no breathing
- Blue or grey lips and fingertips
- Tiny pupils
- Choking or gurgling sounds
How to respond
- Call 911.
- Give naloxone (nasal spray in one nostril, or injection into a large muscle).
- Start rescue breathing or CPR if trained.
- Give a second dose after 2–3 minutes if no response.
- Stay with the person — naloxone wears off.
Good Samaritan law
The federal Good Samaritan Drug Overdose Act gives some legal protection to people who call 911 for an overdose.
Frequently asked questions
Is naloxone free in Ontario?
Yes, at participating pharmacies and programs.
Can naloxone harm someone who isn't overdosing?
It's generally safe, but always call 911.
Official sources
This guide is general information, not medical or financial advice. Program rules and amounts change — confirm with the official source or your pharmacist.