Medical Cannabis
A collection of multimedia learning resources exploring topics from cannabinoid basics to current clinical evidence for use, and special risk populations.
Medical Cannabis
A collection of multimedia learning resources exploring topics from cannabinoid basics to current clinical evidence for use, and special risk populations.

Cannabis Basics

Cannabis is composed of hundreds of chemical compounds including cannabinoids (like THC and CBD), terpenes, flavonoids, and others.

Video Series

Lecture series created in partnership by the OMA and the Michael G. DeGroote Centre for Medicinal Cannabis Research.

  • Part 1: Cannabis Fundamentals
  • Part 2: Cannabis Psychopharmacology
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Evidence for Use

The medical use of cannabis is an evolving field with limitations on the amount and quality of research currently available to support its use.

Summary of Current Evidence (Video Lecture)

Featuring Dr. Michael Allan, lead author of the 2018 Simplified Guideline for Prescribing Medical Cannabinoids in Primary Care. Created in partnership by the OMA and the College of Family Physicians of Canada.

  • Part 1: Current Evidence (42:16)
  • Part 2: Adverse Events (9:54)
  • Part 3: Guideline Summary (6:58)
  • Part 4: Evidence for THC vs. CBD (9:36)
  • Full Lecture (all parts) (1:02:19)
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Special Risk Populations

Cannabis may not be suitable for some special risk populations, including:

  • Women who are pregnant, breastfeeding, or planning to become pregnant
  • Children and youth under 25 years
  • Individuals with current, past, or family history of psychosis
  • Individuals with current, past, or family history of substance use disorder

For a detailed overview of the risks of cannabis use in the populations listed above and links to position statements from the relevant medical societies visit our Cannabis and Special Risk Populations page.

Cannabis-Related Healthcare Visits

Resources to help physicians better prepare for and manage acute cannabis-related presentations.

Marijuana Decriminalization: The Colorado Emergency Department Experience

Toxicologist and Emergency Medicine physician Dr. Kennon Heard draws from the experience of emergency departments in Colorado to comment on the factors that have contributed to the rise of cannabis-related visits to the ER.

He addresses the pharmacology of cannabis and offers practical advice to help Ontario’s Emergency Medicine physicians better prepare for and manage the following cannabis-related presentations:

  • Accidental pediatric ingestion
  • Cyclic vomiting
  • Cannabis intoxication
  • Burns
  • Synthetic cannabinoid overdoses

Video Lecture

PDF Reference Document

Updated: May 27, 2019