rash

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rash,

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.

Rash

 

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.

rash

[rash]
(medicine)
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.

rash

Pathol any skin eruption
References in periodicals archive ?
A friend suffering from skin rashes is going to try a balaclava-style nickel head covering while others were investing in nickel bed-drapes, Mrs Wright said.
The first causes hives, itchy and watery eyes, runny nose, sneezing, wheezing, asthma, abdominal pain, nausea, diarrhea and skin rashes.
OTCBB:RBCL), announced the initiation of human clinical trials, in three medical institutions, designed to evaluate the efficacy of its topical wound gel, Regenecare[TM], in the relief of painful, itching skin rashes that occur as a side effect during treatment by a group of widely-used cancer drugs known as epidermal growth factor receptor (EGFR) inhibitors.
The girl was in her 32nd week of pregnancy and suffered skin rashes and fever.
The blooms on Anglesey's Afon Cefni could cause skin rashes and severe illness if swallowed.
deFur, a biologist who conducts research on environmental health and ecological risk assessment at Virginia Commonwealth Institute, says short-term effects can include respiratory problems and skin rashes.
Mercury can cause nausea, vomiting, skin rashes and eye irritation when its container is broken and the neurotoxin is released.
Six of 67 volunteers taking guggul extract rapidly developed skin rashes, which subsided after they stopped the treatment.
Even in healthy people, the vaccine can cause a number of irritating to life-threatening complications, ranging from painful skin rashes and infections to encephalitis, which can be fatal.
For most others, it's enduring skin rashes and sniffles, headaches and wheezing, gas and abdominal cramps.
Certified Nurse Practitioners and other health care professionals will administer supervised weight management programs in addition to the traditional in-store health care clinic services including diagnosis and treatment of common family illnesses such as ear infections, strep throat, sinus infections, poison ivy and other skin rashes and the flu.