Eczema, contact


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

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  • Eczema, dyshidrotic

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

  • Eczema, nummular

    Coin-shaped plaques of inflamed skin-most common on the arms, back, buttocks, and lower legs that may be crusted, scaling, and extremely itchy. The word “nummular” is taken from the Latin “hummus,” a small coin.

  • Eczema, seborrheic

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

  • E. coli O157:H7

    A dangerous form of Escherichia coli, the colon bacillus, a bacterium that normally lives in the human colon. E. coli 0157:H7 is a major health problem, causing hemorrhagic colitis, the hemolytic-uremic syndrome, and thrombotic thrombocytopenic purpura: Hemorrhagic colitis — E coli O157:H7 causes about 20,000 cases of hemorrhagic colitis (bloody inflammation of the colon) a […]

  • E. coli hemorrhagic diarrhea

    E. coli hemorrhagic diarrhea: Bloody colitis (inflammation of the bowel) caused by E. coli, usually by the strain E. coli 0157:H7. The diarrhea is severe with painful abdominal cramps, gross blood in the stool, and lasts for 6 to 8 days. Most commonly, E. coli 01257:H7 comes from eating raw or undercooked ground beef (hamburger) […]


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