Nail Issues: Black Spots and Pain in Toenails - Dermatology

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Nail problems


Hello Doctor: I have had onychomycosis (fungal nail infection) for some time, but recently I noticed a dark spot appearing on my nails, and it's not just one toe; it’s almost all of them (without spreading to the skin).
I visited a doctor today, and he said it is onychomycosis, but can a fungal nail infection cause such symptoms? P.S.
Sometimes my nails hurt and do not grow back.

Hou An, 20~29 year old female. Ask Date: 2020/06/03

Dr. Li Yufen reply Dermatology


Hello: For a detailed introduction to onychomycosis, you can refer to the website of Med's Good Friend https://www.medpartner.club/onychomycosis-treament-prevention-introduction/.
If the skin symptoms do not improve or worsen, it is recommended to consult a nearby dermatologist for diagnosis and treatment at http://www.derma.org.tw/user_finddoctor.php.
Thank you!

Reply Date: 2020/06/03

More Info


When it comes to nail issues, particularly concerning black spots and pain in toenails, it is essential to understand the underlying causes and potential treatments. Based on your description, it seems that you have been dealing with a fungal infection known as onychomycosis, commonly referred to as "gray nail" or "fungal nail infection." This condition can lead to various symptoms, including discoloration, thickening, and sometimes pain in the affected nails.

The presence of black spots on your toenails could be attributed to several factors. While your doctor has diagnosed it as gray nail, it is important to note that fungal infections can sometimes lead to secondary complications, including subungual hematomas (blood under the nail), which can appear as dark spots. This could happen due to trauma to the nail, which may not always be noticeable. Additionally, fungal infections can cause the nails to become brittle and painful, leading to discomfort when pressure is applied.

In terms of the pain you are experiencing, it is not uncommon for nails affected by fungal infections to become painful, especially if they are thickened or if there is an accumulation of debris under the nail. The pain may also be exacerbated by tight-fitting shoes or prolonged pressure on the affected toes. If the nails are not growing out properly, this could indicate that the infection is affecting the nail matrix, which is the tissue responsible for nail growth.

It is crucial to address the underlying fungal infection to alleviate the symptoms you are experiencing. Treatment options typically include topical antifungal medications, which can be applied directly to the affected nails, or oral antifungal medications for more severe cases. The choice of treatment will depend on the extent of the infection and your overall health.

In addition to medical treatment, there are some self-care measures you can take to help manage your symptoms:
1. Keep your feet dry: Fungi thrive in moist environments, so it is essential to keep your feet dry. Change socks regularly and choose moisture-wicking materials.

2. Wear breathable footwear: Opt for shoes that allow air circulation to reduce moisture buildup.

3. Practice good foot hygiene: Regularly wash and dry your feet, and trim your toenails straight across to prevent ingrown nails.

4. Avoid sharing personal items: Fungal infections can be contagious, so avoid sharing towels, shoes, or nail clippers with others.

5. Consult a dermatologist: If your symptoms persist or worsen, it may be beneficial to see a dermatologist who specializes in nail disorders for a more comprehensive evaluation and treatment plan.

In conclusion, while your doctor has diagnosed your condition as gray nail, the presence of black spots and pain in your toenails warrants further investigation. It is essential to follow up with your healthcare provider to ensure that you receive appropriate treatment and to rule out any other potential causes for your symptoms. Remember that early intervention can lead to better outcomes and help restore the health of your nails.

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