India
Pulmonology · 3 min read

Lymphedema with yellow nails

Learn about Lymphedema with yellow nails, its reported features, relevant specialists, and questions to discuss at a medical consultation.

Also known as: YNS; Yellow nail syndrome

Compiled from public sources
Text selected and arranged from Orphanet. It describes the condition as those sources do; it has not been rewritten for India.
01 Oct 2026
Not medically reviewed
No registered doctor has reviewed this page. Use it to decide who to see and what to ask — not to diagnose or treat.
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This is not medical advice. If symptoms are severe, sudden or getting worse, call 112 (or 108 for an ambulance) or go to the nearest emergency department.

The sources compiled here do not cover: diagnosis, treatment, prevention, prognosis. Ask the treating doctor about these.

What it is

From: Orphanet

A rare, syndromic nail anomaly disease characterized by the variable triad of characteristic yellow nails, chronic respiratory manifestations, and primary lymphedema.

Reported clinical features and what the terms mean

The following findings are associated with this condition in Orphanet. They are not a checklist for diagnosing yourself, and they do not all occur in every affected person. Some are examination, imaging or laboratory findings that cannot be recognised at home.

The frequency labels describe how often a finding was reported among people with the condition in the source. They do not give the chance that a person with that symptom has the condition. Definitions below reproduce HPO terminology; they explain the term, not the likely severity in an individual.

Abnormal fingernail morphology · Very frequent (99-80%)
An abnormality of the fingernails.
Abnormal toenail morphology · Very frequent (99-80%)
An anomaly of the toenail.
Bronchiectasis · Very frequent (99-80%)
Persistent abnormal dilatation of the bronchi owing to localized and irreversible destruction and widening of the large airways.
Fingernail dysplasia · Very frequent (99-80%)
An abnormality of the development of the fingernails.
Hypoplasia of lymphatic vessels · Very frequent (99-80%)
Congenital underdevelopment of lymph vessels.
Lymphedema · Very frequent (99-80%)
Localized fluid retention and tissue swelling caused by a compromised lymphatic system.
Toenail dysplasia · Very frequent (99-80%)
An abnormality of the development of the toenails.
Yellow nails · Very frequent (99-80%)
Yellowish discoloration of the nails.
Cough · Frequent (79-30%)
A sudden, audible expulsion of air from the lungs through a partially closed glottis, preceded by inhalation.
Dyspnea · Frequent (79-30%)
Difficult or labored breathing. Dyspnea is a subjective feeling only the patient can rate, e.g., on a Borg scale.
Pleuritis · Frequent (79-30%)
Inflammation of the pleura.
Recurrent respiratory infections · Frequent (79-30%)
An increased susceptibility to respiratory infections as manifested by a history of recurrent respiratory infections.
Rhinitis · Frequent (79-30%)
Inflammation of the nasal mucosa with nasal congestion.
Sinusitis · Frequent (79-30%)
Inflammation of the paranasal sinuses owing to a viral, bacterial, or fungal infection, allergy, or an autoimmune reaction.

Other findings in the same source

From: Orphanet

Additional reported features include Biliary tract neoplasm (Occasional (29-5%)); Generalized abnormality of skin (Occasional (29-5%)); Immunodeficiency (Occasional (29-5%)); Neoplasm (Occasional (29-5%)); Neoplasm of the lung (Occasional (29-5%)); Nephropathy (Occasional (29-5%)); Onycholysis (Occasional (29-5%)); Pulmonary arterial hypertension (Occasional (29-5%)); Renal neoplasm (Occasional (29-5%)); Sarcoma (Occasional (29-5%)). This is a selected summary, not a complete description of the condition.

When it may begin

From: Orphanet

Adult; Childhood; Neonatal

Frequency and the population described

From: Orphanet

Reported case(s): 400.0; Worldwide. This is a published case count, not prevalence. Point prevalence: <1 / 1 000 000; Worldwide; Class only.

Which doctor should you see?

The suggested department for discussing Lymphedema with yellow nails is Pulmonology, with a pulmonologist / chest physician as the relevant type of clinician. General physician / Family Medicine; paediatrician for children. Referral depends on symptoms.

This is an editorial referral starting point. The appropriate clinic depends on the person’s age, symptoms, previous diagnosis and local services. The first clinician can decide whether another specialty or a team is needed; a department label does not confirm the diagnosis.

How to prepare for an assessment

Bring a short timeline of the main symptoms: when they first appeared, whether they are constant or episodic, what seems to change them, and how they affect daily activities. Include previous reports, discharge summaries, current medicines and supplements, allergies, and any relevant family history. A dated record is more useful than trying to match every feature in an online article.

Ask the clinician what is already established and what remains uncertain. If a test is suggested, ask what question it answers, what its limitations are and how the result would change the next step. The information here is not an instruction to arrange every possible test. In children, bring growth, developmental and school information if it is relevant to the concern.

  • What is the likely explanation for the breathing symptoms?
  • Would a breathing test or another investigation change management?
  • If symptoms worsen, what written action plan should be followed?

Treatment discussions and follow-up

The material gathered for this draft does not provide a complete condition-specific treatment pathway for Lymphedema with yellow nails. That gap does not mean that treatment is unavailable. A clinician needs to establish the diagnosis and review current guidance before recommending medicines, procedures, rehabilitation or other support.

Before leaving the appointment, clarify the next review date, who will communicate results, and whom to contact if the situation changes. Discuss difficulties with sleep, work, school, mobility, eating or emotional wellbeing when these are relevant. Practical support may require coordination between the treating clinician and other services.

The collected references do not establish a complete prevention or long-term outlook section for this entry. Missing information should not be interpreted as proof that prevention is impossible or that a particular outcome is inevitable. Ask what is known for the exact subtype, stage and personal circumstances, and which uncertainties remain.

When to seek emergency help

Severe breathing difficulty, collapse, new stroke-like symptoms, a seizure that is prolonged or repeated without recovery, uncontrolled major bleeding, or an immediate risk of self-harm require emergency help. In India, call 112 or reach the nearest emergency department. This is a general, non-exhaustive warning list; it is not a condition-specific triage tool.

Find a doctor for Lymphedema with yellow nails

This condition is usually assessed by a pulmonologist. Every profile shows the doctor’s registration and what has been checked.

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Sources

Source: MedlinePlus, National Library of Medicine. Orphadata Science: Free access data from Orphanet. © INSERM 1999; July 2026 data, CC BY 4.0. This product uses the Human Phenotype Ontology (hp/releases/2026-09-01). Only sources listed for this article apply. Source material has been selected and arranged; HPO definitions are reproduced without alteration. No source organisation endorses this compilation. Köhler S et al. The Human Phenotype Ontology project: linking molecular biology and disease through phenotype data. Nucleic Acids Research 2014;42(D1):D966–D974. doi:10.1093/nar/gkt1026.

General information, not advice about your situation. Errors can be reported through the corrections process. Reference TDI-C-1453.