International Clinical Psychopharmacology

Clonazepam treatment of lysergic acid diethylamide-induced hallucinogen persisting perception disorder with anxiety features

This open-label study (n=16) suggests that high-potency benzodiazepines like clonazepam (2mg/day for 60 days) may help alleviate Hallucinogen Persisting Perception Disorder (HPPD). The patients reported relief up to four months after treatment. Do note that there was no control group in this study.

Published

March 1, 2003

Journal

International Clinical Psychopharmacology

Authors

Gelkopf, M., Skladman, I., Rudinski, D., Nachshon, H., Bleich, A.