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Introduction <p>This case highlights the importance of strict medication guidance and continuous monitoring. Additionally, LLLT demonstrated a favorable outcome, serving as an effective alternative for symptom management in BMS.</p> Objective <p>To describe a successful treatment of BMS with Low-Level Laser Terapy (LLLT) and describe findings of induced pigmentation in a patient’s tongue.</p> Case report <p>An 80-year-old woman with BMS sought treatment after unsuccessful attempts with six healthcare professionals. Her medical history included hypertension, depression, and anxiety. She reported burning sensations, taste alterations, and xerostomia. Previous treatments included mouth rinses, nystatin, phytomedicines, topical clonazepam, and anesthetics. During examination, she used topical anesthetics (procaine and bismuth tartrate solution) multiple times within 30&#xa0;min, and she self-reported a dependence on the use of the solution because of the symptoms. Clinical evaluation revealed fissures, erythematous depapillated areas, and brownish pigmentation on the tongue. The diagnosis was external pigment deposition associated with prolonged topical bismuth use. Bismuth was discontinued, and LLLT combined with salivary substitutes/stimulants was initiated. The patient showed significant improvement, with partial symptom remission. After one month, the pigmentation and erythematous areas resolved, and she reported no taste disturbances, only mild discomfort. The inappropriate use of topical bismuth resulted in external pigment deposition.</p> Conclusion <p>This case highlights the importance of strict medication guidance and continuous monitoring. Additionally, LLLT demonstrated a favorable outcome, serving as an effective alternative for symptom management in BMS.</p>

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Low-Level Laser Therapy for the treatment of burning mouth syndrome: an alternative to topical bismuth

  • 期刊论文

  • 发表日期：

    2025年5月17日

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  • Helena Miguel Cotter,
  • Jesse Parente Tocantins,
  • Alessandra Rodrigues de Camargo,
  • Mariah Luz Lisboa,
  • Gustavo Davi Rabelo

摘要

Introduction

This case highlights the importance of strict medication guidance and continuous monitoring. Additionally, LLLT demonstrated a favorable outcome, serving as an effective alternative for symptom management in BMS.

Objective

To describe a successful treatment of BMS with Low-Level Laser Terapy (LLLT) and describe findings of induced pigmentation in a patient’s tongue.

Case report

An 80-year-old woman with BMS sought treatment after unsuccessful attempts with six healthcare professionals. Her medical history included hypertension, depression, and anxiety. She reported burning sensations, taste alterations, and xerostomia. Previous treatments included mouth rinses, nystatin, phytomedicines, topical clonazepam, and anesthetics. During examination, she used topical anesthetics (procaine and bismuth tartrate solution) multiple times within 30 min, and she self-reported a dependence on the use of the solution because of the symptoms. Clinical evaluation revealed fissures, erythematous depapillated areas, and brownish pigmentation on the tongue. The diagnosis was external pigment deposition associated with prolonged topical bismuth use. Bismuth was discontinued, and LLLT combined with salivary substitutes/stimulants was initiated. The patient showed significant improvement, with partial symptom remission. After one month, the pigmentation and erythematous areas resolved, and she reported no taste disturbances, only mild discomfort. The inappropriate use of topical bismuth resulted in external pigment deposition.

Conclusion

This case highlights the importance of strict medication guidance and continuous monitoring. Additionally, LLLT demonstrated a favorable outcome, serving as an effective alternative for symptom management in BMS.