- Highly potent hallucinogen, can be psychologically addictive.
- Hallucinations, delusional thinking and bizarre behaviour can occur after a single-use or after regular use.
- Changes what a person hears, tastes, feels and smells - accidental deaths have occurred as a result (for example, believing one can fly).
- Physical effects include numbness, increased blood pressure, dizziness, chills, nausea and more.
- Short-term effects are unpredictable; nausea and vomiting, extreme mood swings, varied sense of gravity, difficulty concentrating, impaired judgement and altered memory.
- Long-term effects: psychosis, depression, paranoia, flashbacks.
- Get the full facts on LSD.
Read about the risks
Disclaimer
Some of the hyperlinks provided are to sites of organizations or other entities that are not subject to the Official Languages Act. The material found there is therefore in the language(s) used by the sites in question.
Health Canada is not responsible for the information found on external Web sites. Hyperlinks are provided solely as a convenience to you and do not imply official approval or endorsement of the sites, the host organizations or their sponsors. When activating these links, you will be leaving the Health Canada Web site.
Some of the information in the Words of Wisdom section has been provided by external sources. Although every effort has been made to ensure the accuracy, currency and reliability of the content, Health Canada does not make any guarantee in that regard.
The stories in the Share your Story section are provided by sources that are not subject to the Official Languages Act, and they are therefore in the language used by the source in question.