The abstract discusses the phenomenon of Hallucinogen Persisting Perception Disorder (HPPD), commonly known as "psychedelic flashbacks", which involves the persistence of psychedelic-like perceptual phenomena after the acute effects of a drug have worn off. The author shares personal experiences with HPPD and explores the lack of understanding and awareness surrounding this condition, especially as psychedelic drug treatments gain mainstream attention and approval.Research indicates that HPPD may not be as rare as previously thought, with around a quarter of psychedelic drug users reporting persistent visual disturbances. The exact causes of HPPD are still unknown, with theories suggesting changes in serotonin levels and neuroplasticity in the brain. Treatment options for HPPD are limited and often involve medications with potential side effects.The author highlights the distress and impairment that can accompany HPPD symptoms, including anxiety, fear, and feelings of isolation. Stigma and misconceptions surrounding HPPD can lead to individuals feeling judged or misunderstood. The complexity of diagnosing HPPD is also discussed, with some individuals experiencing symptoms that may not be directly related to psychedelic drug use.Overall, the abstract emphasizes the need for increased awareness, research, and support for individuals experiencing HPPD. As psychedelic therapies gain popularity, understanding the risks and potential long-term effects of these substances is crucial for promoting safe and responsible use.