Atopic eczema

Read about atopic eczema (atopic dermatitis), a condition that causes the skin to become itchy, red, dry and cracked

Atopic eczema (atopic dermatitis) is the most common form of eczema, a condition that causes the skin to become itchy, red, dry and cracked.

Atopic eczema is more common in children, often developing before their first birthday. However, it may also develop for the first time in adults.

It's usually a long-term (chronic) condition, although it can improve significantly, or even clear completely, in some children as they get older.

This topic covers:

Symptoms

When to seek medical advice

Causes

Treatment

Other types of eczema

Symptoms of atopic eczema

Atopic eczema causes the skin to become itchy, dry, cracked, sore and red. Some people only have small patches of dry skin, but others may experience widespread red, inflamed skin all over the body.

 

 

 

 

 

 

Although atopic eczema can affect any part of the body, it most often affects the hands, insides of the elbows, backs of the knees and the face and scalp in children.

People with atopic eczema usually have periods when symptoms are less noticeable, as well as periods when symptoms become more severe (flare-ups).

Read about the symptoms of atopic eczema 

When to seek medical advice

See your GP if you have symptoms of atopic eczema. They'll usually be able to diagnose atopic eczema by looking at your skin and asking questions such as:

  • whether the rash is itchy and where it appears
  • when the symptoms first began
  • whether it comes and goes over time
  • whether there's a history of atopic eczema in your family
  • whether you have any other conditions, such as allergies or asthma
  • whether something in your diet or lifestyle may be contributing to your symptoms

Typically, to be diagnosed with atopic eczema you should have had an itchy skin condition in the last 12 months and three or more of the following:

  • visibly irritated red skin in the creases of your skin – such as the insides of your elbows or behind your knees (or on the cheeks, outsides of elbows, or fronts of the knees in children aged 18 months or under) at the time of examination by a health professional
  • a history of skin irritation occurring in the same areas mentioned above
  • generally dry skin in the last 12 months
  • a history of asthma or hay fever – children under four must have an immediate relative, such as a parent, brother or sister, who has one of these conditions
  • the condition started before the age of two (this does not apply to children under the age of four)

Causes of atopic eczema

The exact cause of atopic eczema is unknown, but it's clear it is not down to one single thing. Atopic eczema often occurs in people who get allergies – "atopic" means sensitivity to allergens.

It can run in families, and often develops alongside other conditions, such as asthma and hay fever.

The symptoms of atopic eczema often have certain triggers, such as soaps, detergents, stress and the weather. Sometimes food allergies can play a part, especially in young children with severe eczema.

You may be asked to keep a food diary to try to determine whether a specific food makes your symptoms worse. Allergy tests aren't usually needed, although they're sometimes helpful in identifying whether a food allergy may be triggering symptoms.

Read about the causes of atopic eczema.

Treating atopic eczema 

Treatment for atopic eczema can help to relieve the symptoms and many cases improve over time.

However, there's currently no cure and severe eczema often has a significant impact on daily life, which may be difficult to cope with physically and mentally. There's also an increased risk of skin infections. 

Many different treatments can be used to control symptoms and manage eczema, including:

  • self care techniques, such as reducing scratching and avoiding triggers
  • emollients (moisturising treatments) – used on a daily basis for dry skin 
  • topical corticosteroids – used to reduce swelling, redness and itching during flare-ups

Read about treating atopic eczema and complications of atopic eczema.

Other types of eczema

Eczema is the name for a group of skin conditions that cause dry, irritated skin. Other types of eczema include:

  • discoid eczema – a type of eczema that occurs in circular or oval patches on the skin
  • contact dermatitis – a type of eczema that occurs when the body comes into contact with a particular substance
  • varicose eczema – a type of eczema that most often affects the lower legs and is caused by problems with the flow of blood through the leg veins
  • seborrhoeic eczema – a type of eczema where red, scaly patches develop on the sides of the nose, eyebrows, ears and scalp
  • dyshidrotic eczema (pompholyx) – a type of eczema that causes tiny blisters to erupt across the palms of the hands
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