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1. • Immune system becomes disordered and overactive

     • In people with AD, for complex reasons science hasn’t fully sorted out, the immune system becomes disordered and overactive. This triggers inflammation that damages the skin barrier, leaving it dry and prone to itching and rashes that may appear purple, brown or grayish hue in darker skin tones and red in lighter skin tones.
     nationaleczema.org › Eczema › types-of-Eczema

     Atopic dermatitis– Symptoms and causes | National Eczema ...

2. People also ask

   What causes AD rash?

   • The exact cause of AD is unknown. AD isn’t contagious, so you can’t give the rash to someone else. The basic understanding of AD is that inflammation results from a misdirected immune reaction. This immune reaction causes too many inflammatory cells in your skin, and these cause many of AD’s symptoms.

   Atopic Dermatitis: Symptoms, Causes, Types, Risks, and More - Healthline

   www.healthline.com/health/atopic-dermatitis/what-is-atopic-dermatitis

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   What causes a skin rash?

   • Many things can cause skin rashes, including: Allergens in the environment. Bacterial infections, such as strep throat. Skin conditions like eczema. Irritants. Viruses. What are the symptoms of a skin rash? Skin rash symptoms vary depending on the type and cause. Rashes can develop in one area of the body or all over. A skin rash may be: Dry.

   Skin Rash: Types, Symptoms, Causes, Diagnosis & Treatments

   my.clevelandclinic.org/health/diseases/17413-rashes-red-skin

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   Why do people with atopic dermatitis have red rashes?

   • This immune reaction causes too many inflammatory cells in your skin, and these cause many of AD’s symptoms. People with AD tend to have dry skin because of an altered skin barrier. AD skin is more prone to water loss and the entry of irritants. This all leads to the development of red, itchy rashes.

   Atopic Dermatitis: Symptoms, Causes, Types, Risks, and More - Healthline

   www.healthline.com/health/atopic-dermatitis/what-is-atopic-dermatitis

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3. www.healthline.com › health › rashes22 Common Skin Rashes: Pictures, Causes, and Treatment

   www.healthline.com › health › rashes

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   Mar 27, 2024 · Rashes have a variety of causes, from bug bites to chickenpox to severe conditions like cellulitis. Medical attention is highly advised if home remedies do not help after a few days or...

4. nationaleczema.org › Eczema › types-of-EczemaAtopic dermatitis– Symptoms and causes | National Eczema ...

   nationaleczema.org › Eczema › types-of-Eczema

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   People with AD can get rashes anywhere on the body that can ooze, weep fluid and bleed when scratched, making skin vulnerable to infection. Skin can become dry and discolored, and repeated scratching can cause thickening and hardening — a process called lichenification. How is AD treated? When AD is mild, management may include:

5. www.healthline.com › health › atopic-dermatitisAtopic Dermatitis: Symptoms, Causes, Types, Risks, and More

   www.healthline.com › health › atopic-dermatitis

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   Dec 1, 2021 · Seeking medical help. Prevention. Outlook. What is atopic dermatitis? Atopic dermatitis (AD) is a chronic skin condition characterized by patches of dry, inflamed, and itchy...

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7. www.mayoclinic.org › symptoms-causes › syc-20353273Atopic dermatitis (eczema) - Symptoms and causes - Mayo Clinic

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   May 15, 2024 · Atopic dermatitis (eczema) symptoms can appear anywhere on the body and vary widely from person to person. They may include: Dry, cracked skin; Itchiness (pruritus) Rash on swollen skin that varies in color depending on your skin color; Small, raised bumps, on brown or Black skin; Oozing and crusting; Thickened skin; Darkening of the skin ...

8. my.clevelandclinic.org › health › diseasesSkin Rash: Types, Symptoms, Causes, Diagnosis & Treatments

   my.clevelandclinic.org › health › diseases

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   Apr 23, 2020 · The main cause is dermatitis, which is when your skin reacts to allergens or irritants. Bacteria, viruses, allergens and conditions including eczema, hives, and psoriasis can be the source of skin rashes. A variety of treatments can relieve your symptoms and get rid of the rash.

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     Skin Rash, Causes, Signs and Symptoms, Diagnosis and Treatment.

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     6 Common Rashes: And What They Look Like | Healthline

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10. www.mayoclinic.org › symptoms-causes › syc-20352380Dermatitis - Symptoms and causes - Mayo Clinic

    www.mayoclinic.org › symptoms-causes › syc-20352380

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    Overview. Dermatitis is a common condition that causes swelling and irritation of the skin. It has many causes and forms and often involves itchy, dry skin or a rash. Or it might cause the skin to blister, ooze, crust or flake. Three common types of this condition are atopic dermatitis, contact dermatitis and seborrheic dermatitis.

11. www.mayoclinic.org › diseases-conditionsTypes of dermatitis (dermatitis pictures) - Mayo Clinic

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    Dec 19, 2023 · By Mayo Clinic Staff. Each type of dermatitis has different symptoms and tends to occur on a different part of the body. It's possible to have more than one type at a time. Dermatitis also is called eczema. Symptoms include itchiness, scaly skin, a swollen rash, oozing blisters and dandruff-like scaling.