The Essential Guide to Psychoactive Drugs in Canada, Third Edition provides a practical understanding of psychoactive drug pharmacology and physiology, accessibly unpacking the risks and therapeutic applications of the most commonly used and misused drug families, including depressants, opioids, stimulants, hallucinogens, and psychotherapeutics. Rick Csiernik demystifies the misuse of prescription compounds, as well as drugs that are new to North American communities, such as captagon, xylazine, and nitazene.
This third edition continues the work of the previous editions, featuring thoroughly updated references as well as new boxes focusing on key contemporary pharmacological issues including differences in opioid versus stimulant overdose, e-cigarettes and vaping, psychedelic-assisted therapy, microdosing, and Δ8-Tetrahydrocannabinol. The appendices are expanded to include an easy-to-read summary of the effects of active drug use and withdrawal, as well as the effects of psychoactive drugs on adolescents and seniors.
Light on jargon and heavy on evidence, The Essential Guide to Psychoactive Drugs in Canada supplies the blueprints that every service provider needs to dispense sound, evidence-based care and is an ideal resource for counsellors, therapists, instructors, and students looking to acquire an in-depth, practical understanding of drug use, medication, and addiction.
Features:
Updated references with a focus on contemporary pharmacological issues
Uses accessible language suitable for foundational undergraduate courses
Instructor resources include PowerPoints, a test bank of multiple choice and true/false questions, and an extensive instructor’s guide comprising group activity and discussion questions, suggested short assignment questions and critical thinking essay questions, and additional resources
Appendix AWhich Neurotransmitters Does a Psychoactive Drug Alter?
Appendix BSummary of Psychoactive Drug Active and Withdrawal Affects
Appendix CSummary of Effects of Psychoactive Drug Consumption During Pregnancy
Appendix DSummary of Effects of Psychoactive Drug Consumption on Adolescents
Appendix ESummary of Effects of Psychoactive Drug Consumption on Seniors
References
Copyright Acknowledgements
Index
Biography
Rick Csiernik is Senior Instructor, Addiction Studies Program, Wilfrid Laurier University, and Professor Emeritus, School of Social Work, King's University College at Western University, and was co-developer of the McMaster University Addiction Studies Program. Csiernik has authored and edited several popular Canadian Scholars titles including The Essential Guide to Psychoactive Drugs in Canada, Third Edition (2025); Workplace Wellness (2014); Responding to the Oppression of Addiction, Fourth Edition (co-edited with William S. Rowe and Gabriela Novotna, 2023); The Drug Paradox (with Tara Bruno, 2018), and Poverty, Mental Health, and Social Inclusion (co-edited with Cheryl Forchuk, 2021). The author of more than 250 peer-reviewed publications, Rick has been recipient of the King’s University College Award for Excellence in Teaching, the McMaster University Instructor Appreciation Award, the Hugh Mellon Excellence in Research Award, the Ontario Volunteer Award, and the Jeff Wilbee Award for leadership in the field of addiction.
“The Essential Guide to Psychoactive Drugs in Canada, Third Edition is a must-have resource for students, educators, and practitioners. The author explains both well-known and emerging substances in clear, accessible language, while addressing current issues like vaping and psychedelic therapy. With its updated research and practical insights, this text makes complex information easy to understand and apply, supporting meaningful learning in today’s changing landscape of psychoactive drug use in Canada.”
—Jessica Morris, CYW, BA CYC, MEd, Professor and Program Coordinator, Child and Youth Care, Georgian College
“Chock-full of scientific details but written for those in the counselling and social work professions. This unique lens sets the text apart from other pharmacology and drug resources. It includes a multitude of figures to visually illustrate concepts and tables to present data and stats. Well-organized and easy to read, this reference text is one you will find yourself reaching for long after your coursework is done.”
—Christie McGaghran, BA, MA, Program Manager, Professional Addiction Studies Program, McMaster University Continuing Education
Instructor Resources
Instructors adopting The Essential Guide to Psychoactive Drugs, Third Edition for their course will receive access to supplementary materials, including:
PowerPoint chapter slides
Instructor’s manual
Test bank
Additional resource list
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