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Substance Use

Common Drugs

​​​​​​​​​​A drug is any substance that changes the way a person thinks, feels, or behaves. Legal drugs like alcohol and tobacco are commonly used. Many people take prescription drugs like painkillers, sleeping pills, and anti-depressants under a doctor's supervision. However, many prescription drugs are misused.

Misusing drugs and using illegal drugs like​ cocaine, LSD, amphetamines, and heroin can cause problems in people’s lives. Drug use can also affect their health and relationships. Many people lose their jobs or have money problems.

To learn more about other drugs, click on these links.

For more information and to find an addiction services office near you, please call the 24-hour Addiction Helpline (Alberta only). For help to quit smoking or smokeless tobacco, call the AlbertaQuits Helpline or go to​

  • ​​​​​​​​​​Injuries

Current as of: August 20, 2019

Author: Poison & Drug Information Service, Alberta Health Services