Types of Allergic Skin Rashes

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The most common types of allergic skin rashes are caused by perfume, soap, detergent and cosmetics reactions, chemicals from latex, elastic or rubber products and chemicals and dyes that are present in clothing.

Atopic Dermatitis

Atopic dermatitis is also known as eczema. This allergic skin rash is extremely common in young children, but can also happen to young adults and continue on later in life. Atopic dermatitis rashes occur in locations where a person scratches frequently. For infants, this eczema is common on the cheeks, scalp and chest (all places where babies can reach to scratch). For older children and young adults, atopic dermatitis is commonly located in the elbow skin folds and also behind the knees (though the rashes can show up on the hands, feet back and neck as well). This rash is usually red, flaky and oozing, and often manifests itself as bumps or blisters.

Contact Dermatitis

Contact dermatitis is a type of allergic skin rash that is triggered by skin exposure to a substance that is capable of inducing a rash-like reaction. Some of these substances include hair dye, metals, cosmetics, dental materials and topical medication treatments. Poison ivy is a common contact dermatitis rash. Contact dermatitis allergic skin rashes are usually only located on the area of the skin that had direct contact with the offending substance that caused it.

Swelling and Hives

Angioedema (swelling) and urticaria (hives) are other types of allergic rashes. Angioedema often involves the lips, eyes, hands and feet, and is generally neither itchy nor red, but stings, burns and tingles. Urticaria can occur to individuals of any age and shows up as raised red bumps of various different sizes and shapes. Urticaria hives can last from a few minutes to a few hours.

Rash-less Itching

Itching without the presence of a rash is fairly common and known as pruritus. Pruritus generally signifies a skin problem (but sometimes can even be a symptom for an internal disease). Some possible causes of pruritus include medications that cause itching and allergic reaction, and also metabolic issues like iron deficiency and thyroid disease.

Medications

There are several medications and drugs that are common causes of allergic skin rashes, such as Urabeth, Myotonachol, Urecholine, Duvoid, Disipal and Calcitare.

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