Hallucinogen Persisting Perception Disorder (HPPD) and Flashback-are they Identical?
Author(s): Leo Hermle, Melanie Simon, Martin Ruchsow, Anil Batra and Martin GeppertLeo Hermle, Melanie Simon, Martin Ruchsow, Anil Batra and Martin Geppert
Background: Despite a multitude of etiological and therapeutic approaches, the exact pathophysiological mechanisms underlying Hallucinogen persisting perception disorder (HPPD) remain elusive. Rather, in each individual case, specific risk factors and different vulnerabilities form part of a multifactorial origin of this rare but highly debilitating psychiatric disorder. Case: The following case report describes the history of a 36 year old male who has been suffering from a visual perception disorder for the last 18 years. At the age of 17 he used LSD for the first time, having consumed cannabis and alcohol on a regular basis since a year earlier. Descriptions: After one particular LSD trip at age 18, the patient suddenly developed persistent visual disturbances including small-sized, colour-intensive, flickering, geo.. Read More»