![]() ![]() medicines, including interferon and lithium.certain medical conditions, like Parkinson’s disease, psoriasis, HIV, and acne.This leads to the development of the patches of skin common with seborrheic dermatitis. When yeast grows too rapidly, the immune system reacts and causes a series of skin changes. This is an organism that lives on the skin’s surface. This causes the oil-producing glands in the body to kick into overdrive and create too much Malassezia yeast. Seborrheic dermatitis develops through a combination of environmental and genetic factors.įirst, a trigger, such as stress or illness, sets off an inflammatory reaction in the skin. They may also disappear for a while, typically in summer, but return when the season changes and the air is cold and dry again. In people with dark brown or Black skin, the patches may be darker than their skin, but in people with white skin, the patches can be lighter.įor adults and teens with this type of dermatitis, symptoms may come and go.This is more common on the face and scalp. Patches of flaky white or yellow scales develop on top of oily skin, such as on your scalp, hairline, upper back, mid-chest, armpits, under breasts, or near the groin.In teens and adults, however, seborrheic dermatitis will most likely be an ongoing skin issue. If this type of dermatitis develops in infants, it is commonly called cradle cap, and it does not reappear later. ![]() This includes the hairline, scalp, upper back, nose, and groin. These patches often appear where there are more sebaceous (oil-producing) glands on the body. Seborrheic dermatitis causes scaly, oily patches of skin that produce dandruff-like flakes. This means your skin is less able to protect you from irritants and allergens.Ītopic dermatitis is likely caused by a combination of factors, such as: Your skin can get infected if you scratch it.Ītopic dermatitis happens when your skin’s natural barrier against the elements is weakened.Babies will often get the rash on their scalp and cheeks.Small bumps may appear and leak fluid if you scratch them.The skin in areas where the rash appears may turn lighter or darker or get thicker.The rash often forms in the creases of your elbows or knees.Learn more: Do you have a rash from hay fever? Symptoms Many people with atopic dermatitis have all three conditions. The other two diseases in the triad are asthma and hay fever. It usually starts in childhood, and often gets milder or goes away by adulthood.Ītopic dermatitis is part of what healthcare professionals call the atopic triad. There are also some common symptoms for all types of eczema:Ītopic dermatitis is the most common form of eczema. Each eczema type has its own set of symptoms and triggers. People with eczema often have allergies or asthma along with itchy, red, or hyperpigmented skin.Įczema comes in a few other forms, too. 13 percent of Asian or Pacific Islander peopleĮczema is sometimes called atopic dermatitis, which is the most common form.The rate of prevalence among some races and ethnicities are: In fact, according to the National Eczema Association, 10 percent of the population will develop the condition during their lifetime.Īnyone can be affected by eczema. This skin condition is common in children, but adults can get it too. Those with brown and Black skin also more commonly develop small bumps on the torso, arms, and legs. While that’s true for those with medium to darker skin tones, it may not be as obvious and can appear brown, purple, and ashen. When you think of eczema, itchy, red, dry, scaly, or thickened skin may come to mind.
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