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The information contained in the Organizational Database (ODB) is provided for informational purposes only. There is no implied endorsement by NORD. NORD does not promote or endorse participation in any specific organization. The information is subject to change without notice. Every effort is made to ensure that the details for each entry are as current as possible.

National Spasmodic Dysphonia Association

a/k/a: NSDA


300 Park Boulevard
Suite 415
Itasca, IL 60143



800 Number




Email Address


The National Spasmodic Dysphonia Association (NSDA) is a non-profit, 501c3 organization dedicated to advancing medical research into the causes of, and treatments ofspasmodic dysphonia; promoting physician awareness of the disorder through outreach; and sponsoring support activities for people with SD and their families through educational materials, annual symposiums, support groups, and online resources. The NSDA is the only organization that is entirely dedicated to spasmodic dysphonia. This disorder, which is a form of dystonia, is a neurological voice disorder that involves involuntary spasms of the vocal cords, causing interruptions of speech and affecting the voice quality. SD can cause the voice to break up or to have a tight, strained, or strangled quality.

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