National Center for Advancing and Translational Sciences Genetic and Rare Diseases Information Center, a program of the National Center for Advancing and Translational Sciences

Yellow nail syndrome



Yellow nail syndrome is a very rare disorder characterized by three features: yellow nail discoloration, respiratory problems, and lower limb swelling (lymphedema). It usually occurs in people over age 50, but can occur in younger people.[1] In addition to being yellow, nails may lack a cuticle, grow very slowly, and become detached (onycholysis).[2] Respiratory problems may include chronic cough, bronchiectasis, and pleural effusion.[1] Chronic sinusitis may also occur.[1] The cause of yellow nail syndrome remains unknown. It usually occurs on its own, but is sometimes associated with autoimmune disease, lymphatic diseases, or cancers. Some researchers have hypothesized that titanium may play a role in the development of yellow nail syndrome (for example, in dental or joint implants or other environmental exposures). Treatment addresses each symptom present. In some cases, yellow nail syndrome goes away on its own.[1]
Last updated: 6/14/2018

This table lists symptoms that people with this disease may have. For most diseases, symptoms will vary from person to person. People with the same disease may not have all the symptoms listed. This information comes from a database called the Human Phenotype Ontology (HPO) . The HPO collects information on symptoms that have been described in medical resources. The HPO is updated regularly. Use the HPO ID to access more in-depth information about a symptom.

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Medical Terms Other Names
Learn More:
HPO ID
80%-99% of people have these symptoms
Bronchiectasis
Permanent enlargement of the airways of the lungs
0002110
Fingernail dysplasia
Abnormal fingernail development
0100798
Hypoplasia of lymphatic vessels
Underdeveloped lymphatic vessels
0003759
Lymphedema
Swelling caused by excess lymph fluid under skin
0001004
Toenail dysplasia
Abnormal toenail development
0100797
Yellow nails 0011367
30%-79% of people have these symptoms
Cough
Coughing
0012735
Dyspnea
Trouble breathing
0002094
Pleuritis
Inflammation of tissues lining lungs and chest
0002102
Recurrent respiratory infections
Frequent respiratory infections
Multiple respiratory infections
respiratory infections, recurrent
Susceptibility to respiratory infections
[ more ]
0002205
Rhinitis
Nasal inflammation
0012384
Sinusitis
Sinus inflammation
0000246
5%-29% of people have these symptoms
Biliary tract neoplasm 0100574
Generalized abnormality of skin
Generalised abnormality of skin
0011354
Immunodeficiency
Decreased immune function
0002721
Neoplasm of the lung
Lung tumor
0100526
Nephropathy 0000112
Onycholysis
Detachment of nail
0001806
Pulmonary arterial hypertension
Increased blood pressure in blood vessels of lungs
0002092
Renal neoplasm
Renal tumors
0009726
Sarcoma
Cancer of connective tissue
Malignant connective tissue tumor
[ more ]
0100242
Percent of people who have these symptoms is not available through HPO
Abnormality of the musculature
Muscular abnormality
0003011
Autosomal dominant inheritance 0000006
Predominantly lower limb lymphedema 0003550
Slow-growing nails 0008383
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Last updated: 7/1/2020

The exact cause of yellow nail syndrome remains unknown. Lymphatic impairment or reduced lymphatic drainage has been proposed, as it may explain lymphedema, pleural effusion, and nail discoloration. However, problems with the lymphatic system are not known to cause bronchiectasia and sinusitis. Additionally, lymphatic impairment is not easy to confirm.[1]

While most cases of yellow nail syndrome occur randomly, a few cases have run in families. Although this suggests that genetic factors may play a role in some cases, no known genetic factors have been identified.[2]

Rarely, yellow nail syndrome has occurred in people with autoimmune disease, lymphatic diseases, or cancers. Some researchers have hypothesized that titanium exposure may play a role in the development of yellow nail syndrome in some people (for example, in dental or joint implants; drugs that contain titanium dioxide; candy or gum; or other environmental exposures).[1][3][4] However, a direct association between titanium exposure and yellow nail syndrome has not been confirmed.[4]
Last updated: 6/14/2018

Making a diagnosis for a genetic or rare disease can often be challenging. Healthcare professionals typically look at a person’s medical history, symptoms, physical exam, and laboratory test results in order to make a diagnosis. The following resources provide information relating to diagnosis and testing for this condition. If you have questions about getting a diagnosis, you should contact a healthcare professional.

Testing Resources

  • Orphanet lists international laboratories offering diagnostic testing for this condition.

Yellow nail syndrome management aims to address each of the symptoms. Treatment for nail discoloration may include oral vitamin E and/or triazole antifungals. Pleural effusion may be treated with surgery. Antibiotic prophylaxis may be prescribed for bronchiectasia with chronic mucus production. Lymphedema treatment may involve low-stretch bandages and elastic compression garments combined with skin care, exercises and manual lymph drainage as needed.[1]

In some cases, yellow nail syndrome goes away on its own or when an underlying, associated condition is treated.[1]
Last updated: 4/17/2017

If you need medical advice, you can look for doctors or other healthcare professionals who have experience with this disease. You may find these specialists through advocacy organizations, clinical trials, or articles published in medical journals. You may also want to contact a university or tertiary medical center in your area, because these centers tend to see more complex cases and have the latest technology and treatments.

If you can’t find a specialist in your local area, try contacting national or international specialists. They may be able to refer you to someone they know through conferences or research efforts. Some specialists may be willing to consult with you or your local doctors over the phone or by email if you can't travel to them for care.

You can find more tips in our guide, How to Find a Disease Specialist. We also encourage you to explore the rest of this page to find resources that can help you find specialists.

Healthcare Resources


Related diseases are conditions that have similar signs and symptoms. A health care provider may consider these conditions in the table below when making a diagnosis. Please note that the table may not include all the possible conditions related to this disease.

Conditions with similar signs and symptoms from Orphanet
The most important nail differential diagnoses include chronic paronychia, which shares absence of the cuticle and nail thickening and discoloration, and onychomycosis of the toenails, which produces thickening and onycholysis. Onychogryphosis and acquired pachyonychia should also be considered.
Visit the Orphanet disease page for more information.

Research helps us better understand diseases and can lead to advances in diagnosis and treatment. This section provides resources to help you learn about medical research and ways to get involved.

Clinical Research Resources

  • The Centers for Mendelian Genomics program is working to discover the causes of rare genetic disorders. For more information about applying to the research study, please visit their website.
  • ClinicalTrials.gov lists trials that are related to Yellow nail syndrome. Click on the link to go to ClinicalTrials.gov to read descriptions of these studies.

    Please note: Studies listed on the ClinicalTrials.gov website are listed for informational purposes only; being listed does not reflect an endorsement by GARD or the NIH. We strongly recommend that you talk with a trusted healthcare provider before choosing to participate in any clinical study.
  • Orphanet lists European clinical trials, research studies, and patient registries enrolling people with this condition. 

Support and advocacy groups can help you connect with other patients and families, and they can provide valuable services. Many develop patient-centered information and are the driving force behind research for better treatments and possible cures. They can direct you to research, resources, and services. Many organizations also have experts who serve as medical advisors or provide lists of doctors/clinics. Visit the group’s website or contact them to learn about the services they offer. Inclusion on this list is not an endorsement by GARD.

Organizations Supporting this Disease

Organizations Providing General Support


These resources provide more information about this condition or associated symptoms. The in-depth resources contain medical and scientific language that may be hard to understand. You may want to review these resources with a medical professional.

Where to Start

  • DermNet NZ is an online resource about skin diseases developed by the New Zealand Dermatological Society Incorporated. DermNet NZ provides information about this condition.
  • MedlinePlus was designed by the National Library of Medicine to help you research your health questions, and it provides more information about this topic.
  • The National Organization for Rare Disorders (NORD) has a report for patients and families about this condition. NORD is a patient advocacy organization for individuals with rare diseases and the organizations that serve them.

In-Depth Information

  • The Monarch Initiative brings together data about this condition from humans and other species to help physicians and biomedical researchers. Monarch’s tools are designed to make it easier to compare the signs and symptoms (phenotypes) of different diseases and discover common features. This initiative is a collaboration between several academic institutions across the world and is funded by the National Institutes of Health. Visit the website to explore the biology of this condition.
  • Online Mendelian Inheritance in Man (OMIM) is a catalog of human genes and genetic disorders. Each entry has a summary of related medical articles. It is meant for health care professionals and researchers. OMIM is maintained by Johns Hopkins University School of Medicine. 
  • Orphanet is a European reference portal for information on rare diseases and orphan drugs. Access to this database is free of charge.
  • PubMed is a searchable database of medical literature and lists journal articles that discuss Yellow nail syndrome. Click on the link to view a sample search on this topic.

Questions sent to GARD may be posted here if the information could be helpful to others. We remove all identifying information when posting a question to protect your privacy. If you do not want your question posted, please let us know. Submit a new question

  • How is yellow nail syndrome treated? Can it be treated or not? See answer

  • Has a genetic cause of familial yellow nail syndrome been discovered? See answer

  • What lung conditions are commonly associated with yellow nail syndrome? How are they treated? See answer



  1. Vignes S and Baran R. Yellow nail syndrome: a review. Orphanet J Rare Dis. February, 2017; 12:42:https://ojrd.biomedcentral.com/articles/10.1186/s13023-017-0594-4.
  2. Yellow Nail Syndrome. National Organization for Rare Disorders (NORD). 2015; https://rarediseases.org/rare-diseases/yellow-nail-syndrome/.
  3. Berglund F, Carlmark B. Titanium, Sinusitis, and the Yellow Nail Syndrome. Biol Trace Elem Res. October, 2011; 143(1):1-7. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3176400/.
  4. Decker A, Daly D, Scher RK. Role of Titanium in the Development of Yellow Nail Syndrome. Skin Appendage Disord. March, 2015; 1(1):28-30. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4857837/.