Understanding HPPD: Symptoms, Causes, and Treatment Options

What is HPPD and Who Gets It?

What is HPPD and Who Gets It? Hallucinogen Persisting Perception Disorder (HPPD) is a condition characterized by the recurrence of perceptual symptoms, such as hallucinations, after the effects of a hallucinogen have worn off. If you or someone you know is experiencing these symptoms, it’s crucial to understand what HPPD is, who is at risk,