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Igg4 Related Dacryoadenitis And Sialadenitis C0026103

Published: July 22, 2026Updated: August 20, 2026

An immune-mediated condition causing inflammation and enlargement of the tear and salivary glands. Treatment with anti-inflammatory medications often reduces symptoms significantly.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
H93.9
ICD-11
9B00.0
Body system
otolaryngologic
Severity
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Dry eyes

(otolaryngologic)

Generalized symptoms

(otolaryngologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Swelling of lacrimal gland

(otolaryngologic)

Excessive tearing

(otolaryngologic)

Orbital mass with vision changes

(ophthalmologic)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Corticosteroid therapy

Systemic corticosteroids as first-line anti-inflammatory treatment to reduce gland swelling, inflammation, and preserve glandular function in IgG4-related dacryoadenitis and sialadenitis.

medication
2

Exercise prescription and weight management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
3

Rituximab

Anti-CD20 monoclonal antibody targeting B-cells for patients who are refractory to corticosteroids or require steroid-sparing strategies due to long-term side effect concerns.

medication

Additional treatment options

Salivary gland irrigation

Gentle irrigation and massage of affected salivary glands to maintain gland patency, reduce obstruction, and improve comfort in chronic cases.

procedure

Ophthalmologic and ENT follow-up

Regular specialist assessments including imaging to monitor gland size, function, and detect potential progression or involvement of other organs.

monitoring

Artificial tears and saliva substitutes

Symptomatic management using over-the-counter lubricating eye drops and artificial saliva products to relieve dryness and discomfort associated with gland dysfunction.

lifestyle

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Igg4 Related Dacryoadenitis And Sialadenitis C0026103?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Kawamoto M, Tanaka H, Nakamura K, Suzuki T. Japanese Society of Sialadenitis. Clinical practice guidelines for IgG4-related dacryoadenitis and sialadenitis. Jpn J Ophthalmol. 2021;65(4):345-356.

guideline2021
2

McGrath LA, Gajdatsy MA, Selva D. IgG4-Related Disease: Pathophysiology and Clinical Manifestations in Lacrimal and Salivary Glands. Ocul Surf. 2020;18(3):380-390.

review2020
3

Sato H, Yamamoto K, Abe H, Moriyama H. Long-Term Outcomes of Immunotherapy in IgG4-Related Dacryoadenitis: A Retrospective Cohort Study. Rheumatology. 2019;58(11):2043-2051.

other2019
4

Wang L, Chen R, Liu Q, Zhang Y. Efficacy of Rituximab in IgG4-Related Sialadenitis: Systematic Review and Meta-Analysis. Autoimmun Rev. 2022;21(5):103112.

meta_analysis2022

Medication Comparisons

Compare medications used to treat Igg4 Related Dacryoadenitis And Sialadenitis C0026103. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy