Use activation maneuvers when the examination is subtle, and screen systematically for anosmia and autonomic features early because they precede motor decline. When red flags are present, broaden the workup before committing to an idiopathic PD label.

Liquid levodopa is a practical rescue option for freezing of gait; Loss of smell is incredibly frequent, affecting seventy to one hundred percent of cases, often very early on; Sudden, transient inability to initiate a step or keep walking; Autonomic dysfunction—like orthostatic hypotension and bowel or bladder issues—is common, though it typically appears later in the course; This involves asking the person to actively move their opposite limb while you examine the target extremity for any subtle rigidity or tremor