How to Prevent and Treat Nail Fungus: Expert Advice for Healthy Nails - Dermatology

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Onychomycosis issue?


Doctor Li, what should I do if I accidentally used a nail file that was used for treating fungal nails on my healthy fingernails? Also, why is my fungal nail infection getting worse? Initially, I only had it on one toe, but now it has spread to almost all my toes.
I exercise regularly, wear sneakers when I go out, and wear slippers at home.
I dry my feet thoroughly after showering, and in the morning, I apply medication and cover it with breathable tape since I have to wear socks.
What should I do to prevent it from getting worse?

Ya Chen, 20~29 year old female. Ask Date: 2015/08/11

Dr. Li Yufen reply Dermatology


Hello: For the treatment of onychomycosis (fungal nail infection), it is important to keep the feet dry and well-ventilated.
If possible, minimize wearing closed shoes and opt for sandals or flip-flops instead.
Apply the medication consistently every day, and it may take approximately six months to a year for healthy new nails to grow out.
Thank you!

Reply Date: 2015/08/11

More Info


Nail fungus, commonly referred to as onychomycosis, is a prevalent condition that can lead to significant discomfort and aesthetic concerns. It is essential to understand both the prevention and treatment strategies to manage this condition effectively.
First and foremost, if you have accidentally used a nail file that was previously used on infected nails, it is crucial to disinfect the tool thoroughly before using it on your healthy nails. This can be done by soaking the file in a solution of isopropyl alcohol or using a disinfectant spray. This step is vital to prevent cross-contamination and the spread of the fungal infection.

Regarding the worsening of your nail fungus, several factors could contribute to this issue. Fungal infections thrive in warm, moist environments, which can be exacerbated by wearing closed shoes, especially if they do not allow for proper ventilation. Even if you are diligent about drying your feet after bathing, moisture can still accumulate in shoes and socks, creating an ideal breeding ground for fungi. Additionally, if you are using a topical antifungal treatment, consistency is key. It may take several months for the new, healthy nail to grow out completely, and if the treatment is not applied regularly, the infection can persist or worsen.

To prevent further spread and worsening of your nail fungus, consider the following strategies:
1. Foot Hygiene: Maintain excellent foot hygiene by washing your feet daily with soap and water. Make sure to dry them thoroughly, especially between the toes, where moisture can accumulate.

2. Footwear Choices: Opt for breathable footwear, such as sandals or open-toed shoes, whenever possible. If you must wear closed shoes, choose those made from breathable materials and ensure they fit well to avoid excessive sweating.

3. Socks: Wear moisture-wicking socks that help keep your feet dry. Change your socks daily, and if your feet sweat excessively, consider changing them more frequently throughout the day.

4. Antifungal Treatments: Continue using the antifungal medication as prescribed by your healthcare provider. This may include topical treatments or, in more severe cases, oral antifungal medications. Follow the treatment regimen consistently for the best results.

5. Avoid Sharing Personal Items: Do not share nail care tools, shoes, or socks with others to minimize the risk of spreading the infection.

6. Regular Nail Care: Keep your nails trimmed and filed. This can help reduce the amount of fungus present and allows topical treatments to penetrate better.

7. Consult a Specialist: If your condition does not improve or worsens despite following these measures, it may be beneficial to consult a dermatologist or a podiatrist. They can provide a more tailored treatment plan, which may include stronger prescription medications or other interventions.

In summary, preventing and treating nail fungus requires a multifaceted approach that includes maintaining proper foot hygiene, making smart footwear choices, adhering to treatment protocols, and seeking professional advice when necessary. By implementing these strategies, you can help ensure that your nails remain healthy and free from fungal infections.

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