The syndrome of NPH is usually characterized by a triad of
symptoms: gait disturbances (difficulty walking), urinary
incontinence (poor bladder control), and mild dementia
(forgetfulness or cognitive impairments). These symptoms
may occur at different times, and some may not be present
at all. The most common sequence of symptoms is for
the gait disturbance to appear first, then incontinence, and
finally dementia.