Dystonic reaction to azatadine.
D000328:Adult; D003533:Cyproheptadine / Q000031:analogs & derivatives*; D004421:Dystonia / Q000139:chemically induced*; D006801:Humans; D008297:Male; D019966:Substance-Related Disorders
D003533:Cyproheptadine; C006656:azatadine