Medication treatment for opioid use (OAT)

Last updated: September 4th, 2026 at 4:23pm

Opioid agonist treatment (OAT) uses medication to reduce cravings, prevent withdrawal and lower the risk of overdose.

When this service may help:

Medication treatment for opioid use may help if you:

  • Have withdrawal symptoms when you stop using opioids
  • Have strong cravings for opioids
  • Want to reduce or stop using opioids
  • Want to lower your risk of overdose
  • Have returned to opioid use after trying to stop
  • Want to connect with counselling, peer support or other health services

Treatment may include methadone, buprenorphine or slow-release oral morphine. These medications help prevent withdrawal and reduce cravings.

How to begin:

  1. Call to speak with someone about treatment: 1-888-885-8824 | Access Central  
  2. Call to request same-day care for opioid addiction: 1-833-804-8111 | Opioid Treatment Access Line

Where to go:

General Information on Medication treatment for opioid use (OAT)

Referral Required?
Not required