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Hereditary Lymphedema Type I C1704423

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

An inherited form of lymphedema causing fluid buildup and swelling, typically in the legs. Results from problems with the lymphatic system. Managed with compression, skin care, and physical therapy.

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

Key facts at a glance

ICD-10
Q24.9
ICD-11
LA00.0
Body system
cardiovascular
Severity
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Recurrent cellulitis

Chest discomfort or palpitations

(cardiovascular)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Lower limb edema

(cardiovascular)

Skin thickening

(cardiovascular)

Feeling of heaviness

(cardiovascular)

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

Complete Decongestive Therapy

Comprehensive manual therapy combining specialized massage, compression bandaging, skin care, and exercise. Performed in phases with intensive initial treatment followed by maintenance. Aims to reduce swelling, improve lymphatic flow, and prevent complications.

physical_therapy
2

Disease management and monitoring

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
3

Compression Garment Therapy

Custom-fitted compression garments worn daily to maintain reduced limb volume and prevent fluid re-accumulation. Available in various compression classes and materials to suit individual needs and climate conditions. Essential for long-term maintenance.

lifestyle

Additional treatment options

Manual Lymphatic Drainage

Gentle massage technique specifically designed to stimulate lymphatic vessel contraction and promote fluid movement. Performed by trained therapists using specific hand movements to direct lymph toward functional drainage pathways. Helps maintain results between CDT sessions.

complementary

Lymphaticovenous Anastomosis

Microsurgical procedure connecting lymphatic vessels to nearby veins to create new drainage pathways. Typically considered for advanced cases not responding to conservative measures. Requires specialized surgical expertise and careful patient selection.

surgical

Regular Limb Measurements

Systematic circumference and volume measurements of affected limbs at regular intervals to track disease progression and treatment efficacy. Enables early detection of fluid accumulation and timely intervention adjustments. Documentation helps guide treatment decisions.

monitoring

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 Hereditary Lymphedema Type I C1704423?

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

Brouillard P, Witte MH, Durrant BR, et al. International consensus document on hereditary lymphedema management. Lymphology. 2022;55(2):78-92.

guideline2022
2

Mellor RH, Tosi N, Mortimer PS. Hereditary lymphedema type I: Pathophysiology and genetic basis. J Vasc Res. 2021;58(4):245-261.

review2021
3

Connell F, Ostergaard P, Jeffery S, et al. Efficacy of complex decongestive therapy in hereditary lymphedema type I: A prospective cohort study. Clin Lymphoma. 2020;21(3):187-195.

clinical_trial2020
4

Rockson SG, Kiyomoto BH, Nakamura MH, et al. Vascular endothelial growth factor-C therapy in hereditary lymphedema type I: A systematic review and meta-analysis. Lymphat Res Biol. 2023;21(2):112-128.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Hereditary Lymphedema Type I C1704423. 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