The Open Dentistry Journal




ISSN: 1874-2106 ― Volume 13, 2019
CASE REPORT

Parotid Gland Edema After Chlorhexidine Mouthrinse: Case Report and Literature Review



Federico Berton1, Giulia Pipinato1, Michele Maglione1, Domenico Baldi2, Roberto Di Lenarda1, Claudio Stacchi1, *
1 Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy
2 Department of Surgical Sciences, University of Genova, Genova, Italy

Abstract

Introduction:

Parotid gland swelling, caused by many pathological conditions, has also been reported to be a possible side effect of the use of chlorhexidine mouthwash. This adverse reaction to chlorhexidine mouthwash is, however, extremely rare and very few cases of parotid gland swelling due to chlorhexidine mouthwash have been reported in the literature.

Case Description:

This report describes the clinical management of unilateral parotid swelling caused by chlorhexidine mouthwash.

Methods:

A patient presented with left parotid gland swelling after using chlorhexidine mouthwash for three days following sinus augmentation on the contralateral side of the maxilla. Diagnosis of parotid gland swelling due to rinsing with chlorhexidine was formulated after anamnesis, clinical examination, radiographs and ultrasound of the gland excluded other pathological conditions. The patient was subsequently advised to stop rinsing. However, on the evening of the same day, swelling increased and the patient presented to an emergency department where a single intravenous dose of methylprednisolone was administered.

Results:

After seven days, parotid swelling decreased significantly and after three weeks had completely disappeared.

Conclusion:

Although unilateral or bilateral parotid gland swelling related to the use of chlorhexidine mouthwash is an uncommon adverse event, it must be suspected after other organic or infective conditions have been excluded. The precise pathogenic mechanism has not yet been determined and further studies should be carried out to better understand the pathophysiology of this uncommon phenomenon.

Keywords: Chlorhexidine, Parotid gland swelling, Mouthwash, Ultrasound, Masseteric hypertrophy, Piezoelectric antrostomy.


Article Information


Identifiers and Pagination:

Year: 2018
Volume: 12
First Page: 1147
Last Page: 1151
Publisher Id: TODENTJ-12-1147
DOI: 10.2174/1874210601812011147

Article History:

Received Date: 7/11/2018
Revision Received Date: 5/12/2018
Acceptance Date: 21/12/2018
Electronic publication date: 31/12/2018
Collection year: 2018

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© 2018 Berton et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


* Address correspondence to this author at the Dental School, Department of Medical, Surgical and Health Sciences, University of Trieste, Piazza dell’Ospitale 1, 34129 Trieste, Italy; Tel + (39) 0403992563; Fax: + (39) 0403992193; E-mail: claudio@stacchi.it


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