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nonspecific term for an eruption of the skinskin,
the flexible tissue (integument) enclosing the body of vertebrate animals. In humans and other mammals, the skin operates a complex organ of numerous structures (sometimes called the integumentary system) serving vital protective and metabolic functions.
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. It may result from skin allergy, skin irritation, or skin disease, or it may be a symptom of a systemic disease like measles, smallpox, or scarlet fever. A rash may appear as discolored spots or a general redness, or as blisters or pustules, either flat or raised above the surface of the skin. The rash may cause skin irritation—itching, tingling, burning, or pain—or it may not cause any discomfort. The appearance and distribution of a rash are often important factors for consideration in diagnosing a particular disease.



an eruption on the skin or mucous membrane of man, the cause of which can be either external and internal. Rashes accompany skin and other types of diseases. The external causes can be physical or chemical, while internal causes include diseases of the nervous and hemopoietic systems, metabolic disorders and functional disorders of certain organs (digestion, endocrine glands), infectious diseases (measles, scarlet fever), and allergic reactions (urticaria). Rashes may be primary or secondary. Primary rashes appear on previously normal skin or mucous membrane (spots, wheals, vesicles, pustules, tubercles). Secondary rashes appear as a further development of primary elements (pigmentation, scales, crusts, abrasions, ulcers, fissures, scars). The location, number, combination, color, shape, depth, and duration of the eruptions are helpful in diagnosing the disease.


A lay term for nearly any skin eruption, but more commonly for acute inflammatory dermatoses.
(mining engineering)
Very impure coal, so mixed with waste material as to be unsalable.


Pathol any skin eruption
References in periodicals archive ?
By spring 1998, however, Fatima was outgoing and hospitable, the red rash covering her body had cleared, and she wasn't smoking to stop her body from shaking.
The person may have a red rash or a color change of the skin on the face, scalp, or other parts of the body.
The pair are keen to launch their own money-making enterprise, but when an excited Beth samples one of the bath bombs they've produced, she comes out in a nasty red rash (right).
These include a high fever, cold-like symptoms (cough/runny nose), sore eyes or sensitivity to light, small spots with a white centre on the inside of the mouth, and a red rash lasting four to seven days.
The reality star developed the red rash, first on her legs, then all over her body.
It is very similar to the common cold, except that children also develop a very red rash, usually on both cheeks but often spreading to the body as well.
He returned home but developed a red rash over his torso and a 'soaring' temperature.
A raised, red rash starts on the head, usually behind the ear, then spreads down the body about three days after the fever starts.
A fine, red rash, like sandpaper to touch which first appears on the chest and stomach, rapidly spreading to other parts of the body.
I'VE got this really itchy red rash on my testicles and under my arms.
Medically known as miliaria, it is a very itchy, red rash that causes a prickling or burning feeling in the skin.
Levi Russell got sick Sunday - with symptoms that included high fever, headache, stiff neck, vomiting and a red rash - and was taken to McKenzie-Willamette, where he was admitted to the intensive care unit and administered antibiotics, his mother, Roxanne Russell, said.