Eczema, allergic contact

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Eczema, allergic contact

Eczema, allergic contact

Also called allergic contact dermatitis, this is a red, itchy, weepy reaction where the skin has come into contact with a substance that the immune system recognizes as foreign, such as poison ivy or certain preservatives in creams and lotions.

RELATED TERMS
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Dermatitis
Dermatitis, also known as eczema, is a skin irritation characterized by red, flaky skin, sometimes with cracks or tiny blisters. Dermatitis is extremely itchy, but scratching damages the fragile skin and exacerbates the problem so it is important for people with eczema to try to leave the area alone.

Skin
Skin is an organ of the integumentary system; which is composed of a layer of tissues that protect underlying muscles and organs. Skin is used for insulation, vitamin D production, sensation, and excretion (through sweat).

Immune
Resistant to a particular disease.

Poison
A substance that causes illness or death when eaten, drunk or absorbed into the body.

SIMILAR TERMS
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Eczema
A disorder of the skin like psoriasis and also considered to be related to malfunctions of the immune system. Symptoms include red, itchy skin and sores that ooze and crust over. One out of ten children develops eczema, but more than half of them lose it by the time they reach their teens.

Eczema vaccinatum
A common concern with smallpox vaccination involving the implantation of the vaccinia virus from the vaccination into the skin of a person with eczema (atopic dermatitis), sometimes with a fatal outcome. Disrupted skin permits viral implantation. Once the virus is implanted, it spreads from cell to cell producing extensive lesions. The skin lesions appear identical to a primary smallpox vaccination. Confluent lesions often cover the entire face, the crook of the elbow in the antecubital fossa, and behind the knee in the popliteal fossa. Viremia (viral spread through the bloodstream) may also occur allowing for the spread of virus to other parts of the body, including skin that is not affected by eczema. Bacterial and fungal invasion may occur as a late stage of untreated eczema vaccinatum.

Eczema, contact
A localized reaction that includes redness, itching, and burning where the skin has come into contact with an allergen (an allergy-causing substance) or with an irritant such as an acid, a cleaning agent or another chemical.

Eczema, dyshidrotic
Irritation of the skin on the palms of hands and soles of the feet characterized by clear, deep blisters that itch and burn.

Eczema, nummular
Coin-shaped patches of irritated skin-most common on the arms, back, buttocks, and lower legs that may be crusted, scaling, and extremely itchy.

Eczema, seborrheic
Yellowish, oily, scaly patches of skin on the scalp, face, and occasionally other parts of the body.

PREVIOUS AND NEXT TERMS
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Ectoparasitosis
Infestation with an ectoparasite, a parasite that lives on or in the skin. The four major ectoparasitoses are pediculosis, scabies, cutaneous larva migrans and tungiasis (sand-flea disease).

Ectopia cordis
A type of birth defect in the heart is abnormally located. In ectopia cordis, the heart usually protrudes outside the chest.

Ectrodactyly
The congenital absence of all or part of one or more fingers or toes. The term ectrodactyly has been applied to a variety of malformations of the fingers or toes. It is probably best reserved for: transverse terminal aphalangia (absence of the last bone in the finger or toe), adactylia (total absence of a finger or toes), or acheiria (total absence of one or both hands).

Ectromelia virus
A member of the poxvirus family which is a highly virulent natural pathogen of mice that causes mousepox, a severe disease with high mortality rate in mice but does not infect humans. The complete genome sequence of ectromelia virus is known.

Eczema vaccinatum
A common concern with smallpox vaccination involving the implantation of the vaccinia virus from the vaccination into the skin of a person with eczema (atopic dermatitis), sometimes with a fatal outcome. Disrupted skin permits viral implantation. Once the virus is implanted, it spreads from cell to cell producing extensive lesions. The skin lesions appear identical to a primary smallpox vaccination. Confluent lesions often cover the entire face, the crook of the elbow in the antecubital fossa, and behind the knee in the popliteal fossa. Viremia (viral spread through the bloodstream) may also occur allowing for the spread of virus to other parts of the body, including skin that is not affected by eczema. Bacterial and fungal invasion may occur as a late stage of untreated eczema vaccinatum.

Eczema, allergic contact

Eczema, contact
A localized reaction that includes redness, itching, and burning where the skin has come into contact with an allergen (an allergy-causing substance) or with an irritant such as an acid, a cleaning agent or another chemical.

Eczema, dyshidrotic
Irritation of the skin on the palms of hands and soles of the feet characterized by clear, deep blisters that itch and burn.

Eczema, nummular
Coin-shaped patches of irritated skin-most common on the arms, back, buttocks, and lower legs that may be crusted, scaling, and extremely itchy.

Eczema, seborrheic
Yellowish, oily, scaly patches of skin on the scalp, face, and occasionally other parts of the body.

EDC
Estimated date of confinement, the estimated calendar date when the baby will be born.

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This dictionary contains 25007 terms.

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