What Causes Hot Dry Reddish Brown Patches On Skin

Discoid eczema, also known as nummular or discoid dermatitis, is a long-term (chronic) skin status that causes skin to get itchy, swollen and cracked in circular or oval patches.

Without treatment, discoid eczema tin can concluding for weeks, months or even years. It may also proceed coming back – often in the aforementioned area that was afflicted previously.

Symptoms of discoid eczema

Discoid eczema causes distinctive circular or oval patches of eczema. It can impact whatever part of the torso, although it does non usually bear on the face or scalp.

The first sign of discoid eczema is usually a group of pocket-size spots or bumps on the skin. These then quickly join upward to form larger patches that can range from a few millimetres to several centimetres in size.

On lighter skin these patches volition be pink or red. On darker pare these patches can be a nighttime brown or they can be paler than the pare around them.

Initially, these patches are oft swollen, blistered (covered with minor fluid-filled pockets) and ooze fluid. They also tend to exist very itchy, specially at nighttime.

Over time, the patches may become dry, crusty, cracked and flaky. The centre of the patch also sometimes clears, leaving a band of discoloured skin that can exist mistaken for ringworm.

Yous may merely have ane patch of discoid eczema, but near people get several patches. The skin betwixt the patches is often dry.

Patches of discoid eczema tin can sometimes become infected. Signs of an infection can include:

the patches oozing a lot of fluid
a yellow crust developing over the patches
the skin effectually the patches becoming hot, swollen and tender or painful
feeling sick
feeling hot or shivery
feeling unwell

When to seek medical communication

See a pharmacist or GP if you think you may take discoid eczema. They can recommend a suitable treatment.

You should besides seek medical advice if you recollect your pare may exist infected. You lot may demand to use an antibiotic cream or, in astringent cases, take antibiotics as a tablet or capsule.

A GP should exist able to make a diagnosis just by examining the affected areas of skin. In some cases they may besides enquire questions or adjust some tests to dominion out other weather condition.

A GP may refer you to a dr. who specialises in pare conditions (dermatologist) if they're unsure of the diagnosis or if you demand a patch test.

Causes of discoid eczema

The cause of discoid eczema is unknown, although information technology may happen every bit a consequence of having particularly dry skin.

When your skin is very dry it cannot provide an effective barrier against substances that come into contact with it. This could let a previously harmless substance, such every bit lather, to irritate your peel.

It's important to look carefully at all the chemicals in cosmetics and toiletries that may accept come into contact with your pare. Contact dermatitis, a type of eczema caused by coming into contact with a particular irritant, may have a function in discoid eczema.

Some people with discoid eczema also have a history of atopic eczema, which often happens in people who are prone to asthma and hay fever. Notwithstanding, unlike atopic eczema, discoid eczema does non seem to run in families.

Other possible triggers

An outbreak of discoid eczema may sometimes exist triggered by a pocket-sized skin injury, such equally an insect bite or a burn.

Some medicines may as well exist associated with discoid eczema, equally patches of eczema tin can appear in people taking:

interferon and ribavirin – when they're used together to treat hepatitis C
tumour necrosis factor-alpha (TNF-alpha) blockers – used to treat some types of arthritis
statins (cholesterol-lowering medicine) – which tin can cause dry pare and rashes

Dry environments and common cold climates tin brand discoid eczema worse, and sunny or damp (boiling) environments may make your symptoms better.

Treating discoid eczema

Discoid eczema is normally a long-term problem, just medicines are available to assistance relieve the symptoms and go along the condition nether control.

Treatments include:

emollients – moisturisers practical to the skin to cease it condign dry
topical corticosteroids – ointments and creams containing a steroid that are practical to the skin and may save severe symptoms
antihistamines – medicines that can reduce itching

In that location are also things you tin do yourself to assist, such as fugitive all the irritating chemicals in soaps, detergents, bubble baths and shower gels.

Additional medicine tin can be prescribed if your eczema is infected or particularly severe.

Occasionally, areas of pare affected by discoid eczema can be left permanently discoloured after the condition has cleared up.

Detect out more than almost treating discoid eczema.

Other types of eczema

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

atopic eczema (also called atopic dermatitis) – the most mutual blazon of eczema, it ofttimes runs in families and is linked to other conditions such as asthma and hay fever
contact dermatitis – a type of eczema that happens when the pare comes into contact with a particular substance
varicose eczema – a blazon of eczema that commonly affects the lower legs and is caused past problems with the menses of blood through the leg veins

Page last reviewed: 30 October 2019
Side by side review due: 30 October 2022

Source: https://www.nhs.uk/conditions/discoid-eczema/

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