This article was first published on December 2, 2022. It was last reviewed and updated on December 2, 2022. Patients are rightly prescribed anticholinergic medication for the treatment of antipsychotic-induced acute dystonia or parkinsonism. And, in a few, selected patients treated with a high-potency first-generation antipsychotic, it is also appropriate to prescribe an anticholinergic prophylactically,…