Is seborrheic dermatitis itchy?

Written by Xie Ming Feng
Dermatology
Updated on May 27, 2025
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Seborrheic dermatitis, also known as seborrheic eczema, is a chronic papular scaly superficial inflammatory skin disease that occurs in areas with excessive sebum secretion. It is common in adults and newborns, often occurring in sebaceous gland-rich areas such as the head, face, and trunk. The causes of the disease may be related to increased sebaceous gland secretion or changes in the chemical composition of the sebum. It is also associated with colonization and infection by Malassezia yeast. Factors such as stress, diet, deficiency in B vitamins, and alcohol consumption can also affect the occurrence and development of this disease to varying degrees. The characteristic rash starts as follicular papules, which gradually enlarge and merge into dark red or yellow-red patches, covered with greasy scales or crusts. Exudation, crusting, and erosion may occur, presenting eczema-like symptoms, and can be accompanied by varying degrees of itching.

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Written by Xie Ming Feng
Dermatology
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Why does seborrheic dermatitis keep recurring?

Seborrheic dermatitis, also known as seborrheic eczema, is a chronic, superficial, papular, scaly inflammatory skin disease that occurs in areas where sebum is excessively secreted, and can be accompanied by varying degrees of itching. The causes of the disease are generally believed to be related to an increase in sebum secretion or changes in the chemical composition of sebum, as well as colonization and infection by Malassezia yeast. Additionally, factors such as mental stress, diet, alcohol consumption, deficiency of B vitamins, fatigue, emotional stress, and infections can all affect the occurrence and development of the disease to varying degrees. Due to the complex causes and numerous triggers of seborrheic dermatitis, it has a chronic course and can recur repeatedly.

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Written by Liu Jing
Dermatology
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How to treat seborrheic dermatitis

Seborrheic dermatitis commonly occurs in the head, face, chest, back, and other areas with excessive sebum secretion in adults, and it can also affect infants and young children. It is necessary to enhance skin cleanliness and provide symptomatic treatment such as anti-inflammatory measures and regulation of lipid metabolism. Focus on skin cleanliness, eat more green vegetables and coarse fibers, and provide anti-inflammatory treatments such as oral tanshinone IIA sulfonate capsules, vitamin B6 tablets, doxycycline hydrochloride capsules, clarithromycin sustained-release tablets, and total paeony glycoside capsules. For the affected skin areas, apply topical remedies like Curcuma comosa clearing ointment, compound indomethacin tincture, etc. Products such as selenium disulfide cleanser or ketoconazole shampoo can be used to wash the scalp and as a body wash. Regularly enhance skin cleanliness and frequently change underwear.

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Written by Xie Ming Feng
Dermatology
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What ointment should be used for seborrheic dermatitis?

Seborrheic dermatitis, also known as seborrheic eczema, is a chronic papular scaly superficial inflammatory skin disease that occurs in areas where sebum is secreted. It can be accompanied by varying degrees of itchiness and commonly occurs on the scalp, face, chest, back, and other areas rich in sebaceous glands. The general principle for topical treatment of seborrheic dermatitis involves degreasing, anti-inflammatory, antibacterial, and anti-itching measures. Commonly used topical medications include combined formulations containing corticosteroids and antifungals such as compound ketoconazole and compound econazole. When these are not effective, calcineurin inhibitors such as tacrolimus or pimecrolimus can be used. In cases with exudation and erosion, products like zinc oxide ointment, boric acid zinc oxide menthol cream, and erythromycin eye ointment may be selected.

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Written by Qu Jing
Dermatology
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How to treat seborrheic dermatitis?

Seborrheic dermatitis is a common chronic recurrent inflammatory skin disease, which frequently occurs in areas with excessive sebum secretion such as the face, chest, and back. The exact cause of the disease is not yet clear, but it is related to factors such as Malassezia infection, increased lipids, impaired skin barrier function, immune responses, and individual susceptibility. In daily life, factors such as mental stress, lack of B vitamins, consumption of spicy foods and alcohol, and chronic sleep deprivation can affect the condition to varying degrees. In terms of treatment, it is important to first adjust lifestyle habits, including managing sleep schedules to sleep by 11 PM and regulating emotions. For local care, avoid excessive washing of the skin and focus on enhancing skin moisturization. Dietary adjustments should include lighter meals and abstaining from alcohol. For topical use, metronidazole gel and some antimicrobial ointments can be applied. Traditional Chinese medicinal solutions can also be used to clear heat, detoxify, reduce redness, degrease, kill parasites, and provide antibacterial and anti-itch effects. (Note: The use of medications should be under the guidance of a physician.)

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Written by Xie Ming Feng
Dermatology
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Seborrheic dermatitis facial symptoms

Seborrheic dermatitis, also known as seborrheic eczema, is a chronic papular and scaly superficial inflammatory skin disease that occurs in areas where sebum is secreted, and it can be accompanied by itching of varying degrees. The causes of the disease are generally believed to be related to increased sebum secretion or changes in the chemical composition of the sebum. It is also associated with colonization and infection by Malassezia yeast. Factors such as stress, diet, deficiency of B vitamins, and alcohol consumption can also affect the onset and progression of the disease to varying degrees. When seborrheic dermatitis occurs on the face, its symptoms primarily manifest as initial follicular papules that gradually merge and expand into dark red or yellowish-red patches. These patches have oily or dry scales and in severe cases may exhibit exudation, crusting, erosion, presenting eczema-like changes.