Migraine prevalence in visual snow with prior illicit drug use (hallucinogen persisting perception disorder) versus without
European Journal of Neurology May 12, 2021 Robin M. van Dongen, Gerard J. Alderliefste, Gerrit L.j. Onderwater et al. 31 citations
Abstract Background and purpose This study was undertaken to investigate migraine prevalence in persons with hallucinogen persisting perception disorder (HPPD) presenting as visual snow syndrome (VSS). Methods Persons with visual snow as a persisting symptom after illicit drug use (HPPD) were recruited via a Dutch consulting clinic for recreational drug use. A structured interview on (visual)...