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Eosinophilic Sialodochitis

What is Eosinophilic Sialodochitis?
Eosinophilic sialodochitis is a condition that affects the salivary gland. Sialodochitis means inflammation of the salivary duct. Eosinophilic sialodochitis is characterised by repeated salivary gland swelling, itching of the overlying skin or throat, and strings of thick saliva (also known as mucous plug).
Eosinophilic sialodochitis has been reported in a small number of individuals in medical literature, and is more common in females than males. Many people with eosinophilic sialodochitis also have other allergies such as asthma, hay fever, eczema, and food allergies.
The RARE Portal has further information about this condition on their Eosinophilic Sialodochitis page.
Information source: RARE Portal – Eosinophilic Sialodochitis The RARE Portal is a living website in ongoing development, with new information added regularly. It contains verified rare disease information and resources, customised for the Australian context. Funded by the Australian Government, the RARE Portal is a key deliverable of the National Strategic Action Plan for Rare Diseases.
Page last modified: 10 December 2025
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ausEE Inc. ABN 30 563 569 016 Australia ©2009-2026 The information on this website and any related links is for general information and support purposes only and is not intended as a substitute for professional medical advice from your doctor or other health professional.
Site last updated: 25 February 2026
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