Laryngeal Sensory Neuropathy (LSN) Chronic Cough Treatment Failure

Laryngeal sensory neuropathy (LSN) is a recently described condition felt to cause a chronic cough in patients when treatment for everything else ( allergies , asthma, reflux , etc) has been evaluated and managed. Treatment for this condition is with neuropathic medications including neurontin, elavil, lyrica, nortriptyline, etc. In the past few months, I have seen a few patients referred to me with chronic cough treated with these medications with minimal or no improvement. OR... the cou…

6/26/2010 15

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Botox for Chronic Cough

There have been a few reports that discuss the use of botox to achieve significant improvement, if not cure, in adult patients with a chronic cough due to sensory neuropathy. In one report , researchers presented 4 case studies in which cough relief occurred after a median of 7 injections with a mean dose of 4.0 Units per treatment session for a mean duration of 25.7 months. In  another report, Mayo researchers performed botox injection in 22 patients among which 50% reported improvement i…

5/20/2010 3

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Chronic Cough May Be Due to Obstructive Sleep Apnea!

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…

4/22/2010 0

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Dr. Christopher Chang Recently Featured in Regional Serial Publication

Dr. Chang was recently featured in Healthy Happenings , a regional quarterly publication. The article mainly focused on one of Dr. Chang's patient whom he had diagnosed and successfully treated for laryngeal sensory neuropathy as a cause of her chronic cough for over 10 years. To read the article, click here .

1/15/2008 0

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