<prompt> Drug of choice for drug induced parkinsonism?LevodopaAnticholinergicSelegilineCarbidopa  <response>: Ans is b i.e., Anticholinergic Central anticholinergics are the only drugs effective in drug induced parkinsonism. o They act by reducing unbalanced cholinergic activity in the striatum of parkinsonism patients. Generally, tremor is benifited more than rigidity; hypokinesia is affected the least Levodopa resolves hypokinesia and rigidity first and later tremor. Trihexyphenidyl benzhexol is the most commonly used anticholinergic in parkinsonism. 