What will happen if tinea capitis is not treated?

Written by Zhu Zhu
Dermatology
Updated on April 10, 2025
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Once afflicted with tinea capitis, it is essential to treat it proactively. If left untreated, it can lead to several severe consequences. Firstly, it might cause atrophic scarring, leaving permanent bald patches, which significantly affects appearance,

Secondly, there might also be secondary bacterial infections due to crusting of the scalp, producing a foul smell and intense itching, severely impacting the quality of life. Lastly, if purulent tinea forms, it could lead to the scalp becoming purulent and eventually cause a systemic infection.

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Written by Zhu Zhu
Dermatology
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There are several types of tinea capitis.

According to the pathogens and symptoms, tinea capitis is divided into four types. The first type is yellow tinea, where yellow crusts appear on the scalp. Without treatment, it can lead to atrophic scars and permanent hair loss. The second type is white tinea; the third type is black tinea; the fourth type is purulent tinea, which shows symptoms similar to folliculitis. Therefore, no matter which type of tinea capitis it is, timely antifungal treatment is essential.

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Written by Zhu Zhu
Dermatology
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Early symptoms of tinea capitis

The early symptoms of tinea capitis are primarily characterized by itching. As the disease progresses, changes in dandruff, flaking, and then symptoms such as yellow crusts, exudation, or erosion may gradually appear. If scalp itching occurs in the early stages, it is crucial to pay close attention, promptly visit the dermatology department of a hospital, and undergo relevant examinations, such as fungal tests. If tinea capitis is diagnosed, timely antifungal treatment is essential.

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Dermatology
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What causes tinea capitis?

The causes of tinea capitis are related to factors such as not paying attention to the cleanliness and hygiene of the scalp, malnutrition, and contact with other patients afflicted by tinea capitis. However, the most fundamental cause is fungal infection of the scalp and hair. There are many types of tinea capitis, such as yellow tinea, white tinea, and dragon tinea. Common pathogenic fungi include Trichophyton schoenleinii and Microsporum ferrugineum. After contracting tinea capitis, it is essential to seek timely treatment because this disease is contagious and the treatment duration tends to be relatively long.

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Dermatology
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Is tinea capitis contagious?

Tinea capitis is contagious and has a relatively strong infectivity. It is especially prone to infect infants, children, and people with compromised immune functions due to underlying diseases. It can be spread through contact, including both direct and indirect contacts. For instance, sharing towels or other personal hygiene items can lead to infection, and contact with animals such as cats or dogs that have dermatophytosis can also transmit the disease.

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Written by Zhu Zhu
Dermatology
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Tinea Capitis Clinical Symptoms

Tinea capitis varies in clinical symptoms depending on its classification. If it is yellow tinea, it presents as yellow crusts on the scalp, with ulcers or erosion visible beneath the crusts. If it is white tinea, white scaly patches can be seen, generally with clear boundaries that may merge. If it is black dot tinea, hair breaking off shortly after emerging from the scalp appears as small black dots. If it is pustular tinea, the scalp shows redness and swelling with pus formation.