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Biopsies are typically not necessary, and cannot be used to rule out other atopic dermatitis or other eczemas. [9] [10] However, patch testing may be employed to rule out irritants (contact dermatitis) as a cause. [6] [11] In children, nummular dermatitis is commonly confused with tinea corporis. [8]
Lip licker's dermatitis which is a subtype of irritant contact cheilitis is caused by an exogenous factor rather than an endogenous one. [10] Irritant contact cheilitis can be separated into different reaction types, so it is an umbrella term and further evaluations are usually needed to properly classify the presenting condition.
Stasis dermatitis, allergic contact dermatitis, acute irritant contact eczema and infective dermatitis have been documented as possible triggers, but the exact cause and mechanism is not fully understood. [7] Several other types of id reactions exist including erythema nodosum, erythema multiforme, Sweet's syndrome and urticaria. [3]
Contact dermatitis. What it looks like: Contact dermatitis has the same symptoms mentioned above, and can be a red rash that appears scaly or blistered, depending on its cause and severity. This ...
Contact dermatitis is a type of acute or chronic inflammation of the skin caused by exposure to chemical or physical agents. [1] Symptoms of contact dermatitis can include itchy or dry skin, a red rash, bumps, blisters, or swelling. These rashes are not contagious or life-threatening, but can be very uncomfortable.
[17] [18] Symptoms of this type of dermatitis may be very intense and may come and go. Irritant contact dermatitis is usually more painful than itchy. Although the symptoms of atopic dermatitis vary from person to person, the most common symptoms are dry, itchy, red skin, on light skin.
Tinea cruris is not life-threatening and treatment is effective, particularly if the symptoms have not been present for long. [5] However, recurrence may occur. The intense itch may lead to lichenification and secondary bacterial infection. Irritant and allergic contact dermatitis may be caused by applied medications. [8]
A skin biopsy can be performed to test for EAC; tests should be performed to rule out other possible diseases such as: pityriasis rosea, tinea corporis, psoriasis, nummular eczema, atopic dermatitis, drug reaction, erythema migrans and other rashes.
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