A new study was published in the April 2010 journal
Cough entitled "
Chronic cough and obstructive sleep apnea in a community-based pulmonary practice."
Apparently 44% of patients with a
chronic mysterious cough were found to have
obstructive sleep apnea. In these patients,
93% had cough improvement when the obstructive sleep apnea was corrected!
Read the abstract
here.
Of course, there are many other causes of chronic cough including
reflux, asthma,
allergies, etc. In rare cases, when all else comes back normal, the cough may be due to
laryngeal sensory neuropathy.
Fauquier ENT
Dr. Christopher Chang is a private practice otolaryngology, head & neck surgeon specializing in the treatment of problems related to the ear, nose, and throat. Located in Warrenton, VA about 45 minutes west of Washington DC, he also provides inhalant allergy testing/treatment, hearing tests, and dispenses hearing aids.
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