Table 1.

Symptoms first noticed by patients

Handwriting changes: progressively smaller, cramped, sloping

Dry eyes due to reduced blinking

Lack of facial expression: distracted, vacant, blank (often reported by relatives and friends)

Lack of arm swing (reported by relatives and friends)

Frozen shoulder

Lack of manual dexterity in repetitive tasks: beating eggs, shaving, typing, playing an instrument

Painful abnormal posture in their foot (typically in young-onset PD)

Scuffing the sole or heel of one foot when walking

Feeling of imbalance