There is a vertical yellow streak in the toenail.

Jun 05, 2023 Source: Cainiu Health

Dr. Liu Wan

Introduction

Yellow vertical lines on toenails may be caused by factors such as nutritional deficiencies, poor blood supply, or fungal infections. It is recommended that patients go to the hospital for relevant examinations to determine the underlying cause and receive appropriate treatment under a doctor's guidance. Poor foot hygiene can lead to fungal infection, resulting in yellow vertical lines on the toenails. Medications such as bifonazole cream or terbinafine hydrochloride cream may be used under a doctor's supervision.

Yellow vertical lines on toenails may be caused by factors such as nutritional deficiencies, poor blood supply, or fungal infections. It is recommended that patients visit a hospital for appropriate examinations to determine the underlying cause and receive treatment under medical guidance. Specific analyses are as follows:

1. Nutritional deficiency: Improper diet may lead to insufficient intake of essential nutrients in the body, such as trace elements and vitamins, resulting in abnormalities of the toenails, including yellow vertical lines. Under medical supervision, supplementation with vitamin A and vitamin B may help.

2. Poor blood supply: Long-term smoking or changes in hemodynamics can reduce blood flow to the feet, leading to nail malnutrition and altered nail growth, which may manifest as yellow vertical lines. Follow your doctor's instructions to take medications such as simvastatin tablets or cilostazol tablets.

3. Fungal infection: Poor foot hygiene may result in fungal infection, causing yellow vertical lines on the toenails. Treatment under medical guidance may include topical antifungal agents such as bifonazole cream or terbinafine hydrochloride cream.

In addition, such symptoms may also be associated with conditions such as congenital nail thickening, onychomycosis, or psoriasis. Patients are advised to seek prompt medical evaluation at a hospital to receive timely treatment based on their specific condition.

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