What causes chronic, lifelong seborrheic dermatitis?
The exact cause of seborrheic dermatitis isn't fully understood, but it's believed to result from a combination of factors working together rather than a single cause.
Several key factors may contribute:
Malassezia Yeast: This yeast naturally lives on everyone's skin Show Full Answer
What causes chronic, lifelong seborrheic dermatitis?
The exact cause of seborrheic dermatitis isn't fully understood, but it's believed to result from a combination of factors working together rather than a single cause.
Several key factors may contribute:
Malassezia Yeast: This yeast naturally lives on everyone's skin, especially in oily areas. In some people, an overgrowth triggers an immune system reaction that causes inflammation and symptoms.
Excess Sebum Production: Seborrheic dermatitis tends to develop in areas with more oil-producing sebaceous glands, like the scalp, face, and chest. The yeast may feed on this oil, contributing to its growth.
Immune System Response: An activation of various immune cells contributes to the skin inflammation characteristic of seborrheic dermatitis.
Genetics: Inherited gene changes may make some people more susceptible to developing the condition.
Skin Barrier Issues: People with seborrheic dermatitis may have a less optimal skin barrier, leading to symptoms like dryness and flaking.
The chronic nature means symptoms can come and go over years, often triggered by stress, weather changes, hormonal shifts, or certain medications. While there's currently no cure, symptoms can usually be managed well with appropriate treatment.
April 6
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