National Certified Addiction Counselor, Level I (NCAC I) Practice Exam

Which statement is correct about the length of flashbacks after LSD use?

1. They last indefinitely

2. They last a few seconds and can occur years later

3. They are permanent and cannot be treated

4. They last for several minutes to hours

The correct answer is: They last a few seconds and can occur years later

The correct answer highlights that flashbacks, which can occur following LSD use, may last only a few seconds but can unexpectedly emerge years after the initial experience with the substance. This phenomenon is known as Hallucinogen Persisting Perception Disorder (HPPD), where individuals experience brief flashes of visual disturbances or other perceptual anomalies reminiscent of the psychedelic experience, sometimes long after the drug has left their system. This statement reflects a documented aspect of LSD's effects and long-term implications for users, especially concerning the unpredictability of when a flashback might occur and its fleeting nature. The awareness of such potential effects is crucial for understanding the long-term impact of hallucinogenic substances on mental health, allowing for informed decisions and discussions about the risks associated with their use.