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Indian Journal of Pharmacy PracticeNOW IN
Article

A Rare Presentation of Adductor Spasmodic Dysphonia: A Case Report

Ganjala Hemalatha1★, Shaik Muskan1, Gunde Pragna1, Pasam Madhu Mitha1, Dileep Kumar Vinnakota1, Uzma Aafreen Shaik1, Siva Bhanu Jonnadula1, Kollipara Mohana1, Gajula Ram Nageswara Rao1★ Corresponding author

  1. 1Department of Pharmacy Practice, Nirmala College of Pharmacy, Acharya Nagarjuna University, Atmakur, Mangalagiri, Guntur, Andhra Pradesh, INDIA.

CORRESPONDENCE

Ganjala Hemalatha

Department of Pharmacy Practice, Nirmala College of Pharmacy, Acharya Nagarjuna University, Atmakur, Mangalagiri, Guntur, Andhra Pradesh, INDIA.

ganjalahemalatha30@gmail.com

Received: 23-03-2026; Revised: 04-05-2026; Accepted: 18-06-2026.

Volume 19, Issue 4 · pp. 566–569 · PUBLISHED 2026 · DOI: 10.5530/ijopp.20260003

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ABSTRACT

Adductor Spasmodic Dysphonia (AdSD) is a focal laryngeal dystonia characterized by involuntary contractions of the vocal fold adductor muscles, particularly the thyroarytenoid muscle, resulting in strained, effortful, and interrupted speech. It is the most common subtype of spasmodic dysphonia and is considered a neurological disorder involving dysfunction of central motor control pathways. We report a case of a 57-year-old female who presented with progressive dysphonia, throat discomfort, and vocal strain. Clinical evaluation and videolaryngostroboscopy revealed abnormal vocal cord movement consistent with AdSD. The patient was managed with botulinum toxin injection into the thyroarytenoid muscles along with supportive pharmacotherapy and surgical intervention (thyroplasty). The case highlights the importance of early diagnosis and evidence-based management of AdSD to improve voice quality and patient quality of life.

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    Hemalatha, G., Muskan, S., Pragna, G., Mitha, P. M., Vinnakota, D. K., Shaik, U. A., Jonnadula, S. B., Mohana, K., & Rao, G. R. N. (2026). A Rare Presentation of Adductor Spasmodic Dysphonia: A Case Report. Indian Journal of Pharmacy Practice, 19(4), 566–569. https://doi.org/10.5530/ijopp.20260003