Pharmacological Treatment of Hallucinogen Persisting Perception Disorder (HPPD): A Systematic Review.
Harv Rev Psychiatry September 9, 2025 Arjen Neven, Jan Dirk Blom 3 citations
Learning Objectives: After participating in this CME activity, the psychiatrist should be better able to: Hallucinogen persisting perception disorder (HPPD) is characterized by perceptual phenomena that either linger after substance-use cessation or recur as reperceptions or flashbacks. These symptoms may be either mild and transient or long-lasting and severely burdening. Since evidence for...