Nail Defects: Causes, Symptoms, and Treatment Options - Dermatology

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The defects in the fingernails are becoming increasingly severe (deeper)?


Hello Doctor: The link contains photos of the current condition of my nails http://imgur.com/HsM2A1P.
Both hands have the same issue, and as the defect deepens, there is a stabbing pain.
I have seen a doctor (for a fungal infection and applied medication), but there has been no improvement, and the defect is becoming more severe.
Since I have small children at home, I am very concerned about the possibility of transmission.
Could this be a symptom of onychomycosis? Do I need to go to the hospital for a more detailed examination? Are there any precautions I should take in daily life (I do not have a habit of applying nail polish)? I kindly ask for your guidance, thank you.

Mrs. Chen, 30~39 year old female. Ask Date: 2015/10/19

Dr. Li Yufen reply Dermatology


Hello: General fungal infections can cause onychomycosis (fungal nail infection).
Since nails grow slowly, treatment with topical medications may need to be continued for several months.
In daily life, it is advisable to minimize exposure to water and cleaning agents, and to keep the area dry.
If there is no improvement with topical treatment, it is recommended to consult a nearby dermatologist to determine if oral medications or other nail issues are necessary.
Thank you!

Reply Date: 2015/10/19

More Info


Nail defects can be a source of concern for many individuals, especially when they are accompanied by symptoms such as pain or discomfort. Based on the information you've provided, it seems you are experiencing significant nail issues that have not improved with topical antifungal treatment. Let's delve into the potential causes, symptoms, and treatment options for nail defects, particularly focusing on the possibility of a fungal infection, commonly known as "onychomycosis" or "ringworm of the nail."

Causes of Nail Defects
1. Fungal Infections: The most common cause of nail defects is a fungal infection. This can lead to discoloration, thickening, and separation of the nail from the nail bed. Symptoms may include pain, especially if the infection is severe.

2. Bacterial Infections: Less common than fungal infections, bacterial infections can also affect the nails, leading to similar symptoms.

3. Psoriasis: This skin condition can affect the nails, causing pitting, discoloration, and separation from the nail bed.

4. Trauma: Physical injury to the nail can cause defects, including ridges, discoloration, and pain.

5. Nutritional Deficiencies: Lack of essential nutrients, such as biotin, zinc, or protein, can lead to nail abnormalities.

6. Systemic Conditions: Conditions such as diabetes, thyroid disorders, or circulatory issues can manifest as nail defects.


Symptoms to Watch For
- Discoloration: Nails may appear yellow, white, or brown.

- Thickening: The nail may become thicker than usual.

- Separation: The nail may lift away from the nail bed.

- Pain or Discomfort: Pain, especially when pressure is applied, can indicate a more severe issue.

- Foul Odor: In some cases, a bacterial infection may produce an unpleasant smell.


Treatment Options
1. Topical Antifungal Treatments: If a fungal infection is confirmed, topical treatments such as ciclopirox or efinaconazole may be prescribed. However, these treatments can take several months to show improvement.

2. Oral Antifungal Medications: For more severe or persistent infections, oral antifungal medications like terbinafine or itraconazole may be necessary. These medications are more effective but come with potential side effects and require monitoring by a healthcare provider.

3. Nail Debridement: In some cases, a healthcare provider may recommend debridement, which involves removing the infected portion of the nail to allow for better penetration of topical treatments.

4. Laser Therapy: Some clinics offer laser treatments that target fungal infections without damaging surrounding tissue.

5. Addressing Underlying Conditions: If the nail defects are due to a systemic condition or nutritional deficiency, addressing these underlying issues is crucial for effective treatment.


When to Seek Further Evaluation
Given that your symptoms have not improved with topical antifungal treatment and are worsening, it is advisable to seek further evaluation from a healthcare professional. A dermatologist or a podiatrist can perform a thorough examination and may recommend:
- Nail Culture: To identify the specific type of fungus or bacteria causing the infection.

- Biopsy: In rare cases, a biopsy may be necessary to rule out other conditions such as psoriasis or skin cancer.


Precautions in Daily Life
- Hygiene: Maintain good foot and nail hygiene. Keep nails trimmed and clean.

- Avoid Sharing: Do not share nail clippers, shoes, or towels to prevent the spread of infections, especially with children in the household.

- Moisture Control: Keep feet dry and avoid damp environments, as fungi thrive in moist conditions.

- Footwear: Wear breathable shoes and avoid tight-fitting footwear that can cause trauma to the nails.

In conclusion, while your symptoms may suggest a fungal infection, a definitive diagnosis is essential for appropriate treatment. Consulting a healthcare provider for further evaluation and possibly more advanced testing will help in determining the best course of action.

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