10th May 2008 - New research
RHINORRHEA IS INCREASED IN PARKINSON'S DISEASE
Movement Disorders [2008] 23 (3) : 452-454 (Friedman
JH, Amick MM) Complete abstract
Rhinorrhea is excessive liquid produced from the nose. For more information
go to Rhinorrhea. Researchers found that rhinorrhea is increased in people
with Parkinson's Disease, but only a single publication supported this
observation. So they performed two further studies to assess the prevalence
of rhinorrhea in Parkinson's Disease. They also questioned subjects as to
whether rhinorrhea might be associated with olfactory impairment, which is
known to be common in Parkinson's Disease. They found that rhinorrhea
affects about half of people with Parkinson's Disease, which is
significantly more than in people that do not have Parkinson's Disease. It
was found to be an early feature of Parkinson's Disease, being present at
the time of presentation. It was also associated with a self-perceived
reduction in the sense of smell, which raises the question of whether some
olfactory impairment found in Parkinson's Disease could be confounded by
rhinorrhea, and also whether rhinorrhea may be a premotor symptom. The
association of rhinorrhea with Parkinson's Disease is not explained by the
researchers. Rhinorrhea normally occurs as a symptom of the common cold and
allergies. So it's odd that they coincide to such an extent.
Rayilyn Brown
Board Member AZNPF
Arizona Chapter National Parkinson's Foundation
rbrown@xxxxxxxxx
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