What is the recommended dosage of benztropine for treating dystonia?

The recommended dosage of benztropine for treating dystonia is indeed 1-2 mg IV/IM. This dosage is consistent with clinical practice guidelines which suggest that benztropine can be administered parenterally (intravenously or intramuscularly) for the rapid management of acute dystonic reactions.

Benztropine works as an anticholinergic medication, helping to restore the balance between dopamine and acetylcholine in the brain, which can be disrupted in conditions like dystonia. When administered in the specified dosage range, it effectively alleviates symptoms of acute dystonia, often providing relief within a short period of time.

Other dosage ranges, such as those provided for oral administration or higher IM dosages, are typically used in different contexts—like for chronic management of conditions such as Parkinson's disease—but they do not align with acute treatment protocols for dystonic reactions. Hence, the dosage of 1-2 mg IV/IM is specifically tailored for addressing the immediate needs associated with dystonia.