Yellow Spots on Nails: Causes and Treatments

Nail yellowing issues?

Currently, a circular yellow spot (0.2 cm) has appeared in the nail of the right pinky finger (1.1 cm) at the edge of the white lunula, and there is also a sensation of peeling.
I was hospitalized previously and received high-dose corticosteroids for over ten days, but it has been more than a month since then, and I am unsure if there is any relation.

na, 30~39 year old female. Ask Date: 2023/06/01

Dr. Wu Yuxin reply Dermatology

It's best to see a dermatologist for an examination.

Reply Date: 2023/06/01

More Info

Yellow spots on nails can be concerning and may indicate various underlying conditions. In your case, the appearance of a yellow spot on your right pinky nail, along with the sensation of peeling skin around the nail, could be attributed to several factors, including potential side effects from the corticosteroids you received during your hospitalization.

Corticosteroids, such as the high-purity steroids you mentioned, can have a range of side effects, including changes in skin and nail health. They can lead to thinning of the skin, which may contribute to peeling, and they can also affect the nail matrix, potentially causing discoloration or abnormal growth patterns in the nails. However, it is essential to note that the appearance of yellow spots on nails can also be due to other causes, such as fungal infections, psoriasis, or even trauma to the nail.

Fungal infections, particularly onychomycosis, can cause nails to become discolored, thickened, and brittle. If the yellow spot is accompanied by changes in the texture of the nail or if the nail becomes increasingly painful, it may indicate a fungal infection that requires treatment. On the other hand, psoriasis can also manifest in the nails, leading to pitting, discoloration, and separation of the nail from the nail bed.

Given that you have experienced these symptoms after receiving corticosteroid treatment, it is advisable to consult a dermatologist or a healthcare professional specializing in nail disorders. They can perform a thorough examination of your nails and surrounding skin, potentially conduct tests to rule out fungal infections, and provide a definitive diagnosis.

In terms of treatment, if a fungal infection is confirmed, topical antifungal treatments such as clotrimazole or terbinafine may be prescribed. If the yellow spot is related to the effects of corticosteroids, your healthcare provider may recommend a different approach, such as moisturizing treatments or topical steroids to manage any inflammation or irritation.

In summary, while the yellow spot on your nail could be related to your recent corticosteroid use, it is crucial to seek professional medical advice for an accurate diagnosis and appropriate treatment. Self-diagnosing or treating without professional guidance can lead to complications or worsening of the condition. Always prioritize consulting with a healthcare provider for any persistent or concerning changes in your nails or skin.

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