Yellow nails are often sparked by staining from smoking or frequent use of nail polish.

Discoloration can range from a subtle yellow hue to a more pronounced dark yellow tint.

Treatment typically focuses on addressing the underlying cause.

Close-up photo of a foot with a toenail fungus

Charlotte Bleijenberg/ Getty Images

Charlotte Bleijenberg/ Getty Images

Cosmetic Causes

Staining is one of the most common reasons for yellow nails.

While it can affect both fingernails and toenails, it most often affects toenails.

Medical Conditions

Many medical conditions can cause yellow nails.

Nutritional Deficiencies

Vitamin deficiencies and other nutritional issues can sometimes lead to brittle or discolored nails.

Specifically:

Medications

Certain medications may also cause nails to turn yellow.

These include:

Most of the time, nail discoloration resolves after you stop taking the medication.

However, sometimes the problem persists even after you discontinue it.

Never stop taking a medication without first talking with a healthcare provider.

How to Get Rid of Yellow Nails

Getting rid of yellow nails depends on the underlying cause.

If a medication is contributing to the yellowing, speak with a healthcare provider about possible alternatives.

Treatment for this condition can include antibiotics,vitamin E supplements, and corticosteroids.

If respiratory issues such as pleural effusions are present, surgical intervention may be necessary.

Once the source is managed, nail color often returns to normal as the nail grows out.

You might also notice changes like brittleness, slowed growth, or nail separation.

Common culprits include infections, trauma, medications, and tobacco use.

Treatment focuses on identifying and addressing the root cause.

University Hospitals.Your nails can say a lot about your health.

Genetic and Rare Diseases Information Center.Yellow nail syndrome.

American Academy of Dermatology Association.12 nail changes a dermatologist should examine.

Khurshid M.Narrative review skin presentations of diabetes mellitus.J Rev Med Sci.

2021;1(3):e169.

John Wiley & Sons; 2018:574-603. doi:10.1002/9781119323396.ch16

American Cancer Society.Health benefits of quitting smoking over time.