<prompt> what is the drug of choice for management of dystoniatrihexyphenidylpropanololvitamin Eclonazepam  <response>: Acute dystonia 48 hours of staing antipsychotics M.C inYounger black males If a patient develops dystonia he is more prone for eps Patient considers this as an Allergic reaction , thereby may stop drugs Layryngeal dystonia is a Psychiatric emergency, should be treated with IV lorazepam TREATMENT Diphenhydramine Benztropine mesylate Prophylactic anticholinergics helps Ref. kaplon and sadock, synopsis of psychiatry, 11 th edition, pg no. 925 