Why Nails Turn Yellow

Understanding Why Nails Turn Yellow



Yellowing of the nails can be a rather disconcerting sight, and it's a concern that many individuals face. Yellow nails are not only unsightly but can also be indicative of underlying health issues. In this article, we delve into the reasons behind this phenomenon, shedding light on what causes nails to turn yellow and how you can address this issue.

What Are Yellow Nails?

Yellow nails, medically known as "yellow nail syndrome," refer to the discoloration of the nails, which can range from pale yellow to a more intense, mustard-like shade. While the occasional yellowish tint can occur due to various factors, persistent yellowing is typically a sign of an underlying problem that requires attention.

Causes of Yellow Nails

1. Fungal Infections

One of the most common causes of yellow nails is fungal infections. Fungi, like dermatophytes, can invade the nail bed, leading to discoloration, thickening, and an unpleasant odor. These infections are more prevalent in toenails but can also affect fingernails.

2. Smoking Habits

If you are a smoker, it's essential to know that the nicotine in cigarettes can lead to nail discoloration. The chemicals in cigarettes can stain the nails, giving them a yellowish hue over time.

3. Aging

As we age, our nails naturally tend to become thicker and more brittle. The aging process can also contribute to the yellowing of nails.

4. Nail Polish and Artificial Nails

Regular use of nail polish, particularly darker shades, can cause nails to turn yellow. Additionally, the chemicals used in the application and removal of artificial nails can weaken the natural nail and lead to discoloration.

5. Nail Trauma

Any trauma or injury to the nail can disrupt the natural growth pattern and potentially cause yellowing as the nail heals.

6. Medical Conditions

Several medical conditions, such as psoriasis and thyroid disorders, can lead to changes in nail color, including yellowing.

7. Nutritional Deficiencies

Nutritional deficiencies, particularly low iron levels, can impact the overall health of your nails, leading to discoloration.

Addressing Yellow Nails

Now that we've explored the potential causes of yellow nails, let's look at how to address this issue effectively.

1. Fungal Infections

If you suspect a fungal infection, it's crucial to seek medical attention. Antifungal treatments may be prescribed to eliminate the infection. Maintaining proper nail hygiene and keeping your nails dry can help prevent future infections.

2. Smoking Habits

The most effective way to prevent nicotine-induced yellowing is to quit smoking. As a healthier alternative, consider smoking cessation programs or nicotine replacement therapies.

3. Aging

While you can't stop the aging process, you can minimize the impact on your nails by moisturizing them regularly and using nail-strengthening products.

4. Nail Polish and Artificial Nails

To prevent yellowing due to nail polish or artificial nails, consider using a high-quality base coat before applying nail polish. Also, give your nails some "breathing" time without polish to recover.

5. Nail Trauma

Avoiding trauma to your nails is essential. Be gentle when performing activities that may harm your nails, and protect them as needed.

6. Medical Conditions and Nutritional Deficiencies

If yellowing persists and you suspect it may be related to an underlying medical condition or nutritional deficiency, consult a healthcare professional. They can diagnose and treat the root cause of the issue.

Preventing Yellow Nails

Prevention is always better than cure. Here are some general tips to keep your nails healthy and prevent them from turning yellow:

  • Maintain proper nail hygiene by keeping your nails clean and dry.
  • Avoid excessive use of nail polish, especially dark-colored ones.
  • Use gloves when working with chemicals or engaging in activities that could damage your nails.
  • Consume a balanced diet rich in essential nutrients, especially those that promote nail health.


Yellow nails are a common concern, but they can be addressed effectively once you understand their underlying causes. Whether it's a fungal infection, smoking, aging, or other factors, taking proactive steps to maintain healthy nails is essential. By following the prevention and treatment tips mentioned in this article, you can bid farewell to yellow nails and welcome back your natural, healthy nail color.