AskDefine | Define rash

Dictionary Definition

rash adj
1 imprudently incurring risk; "do something rash that he will forever repent"- George Meredith
2 marked by unthinking boldness; with defiant disregard for danger or consequences; "foolhardy enough to try to seize the gun from the hijacker"; "became the fiercest and most reckless of partisans"-Macaulay; "a reckless driver"; "a rash attempt to climb the World Trade Center" [syn: foolhardy, reckless]


1 any red eruption of the skin [syn: roseola, efflorescence, skin rash]
2 a series of unexpected and unpleasant occurrences; "a rash of bank robberies"; "a blizzard of lawsuits" [syn: blizzard]

User Contributed Dictionary




  1. hasty, not careful or considered.



  1. An area of reddened, irritated, and inflamed skin.
  2. A surge in problems; a spate, string or trend
    There has been a rash of vandalism lately.


of skin

Extensive Definition

for the town in Afghanistan see Rash, Afghanistan
A rash is a change of the skin which affects its color, appearance, or texture. A rash may be localized in one part of the body, or affect all the skin. Rashes may cause the skin to change color, itch, become warm, bumpy, dry, cracked or blistered, swell and may be painful. The causes, and therefore treatments for rashes, vary widely. Diagnosis must take into account such things as the appearance of the rash, other symptoms, what the patient may have been exposed to, occupation, and occurrence in family members. The diagnosis may confirm any number of conditions.
The presence of a rash may aid associated signs and symptoms are diagnostic of certain diseases. For example, the rash in measles is an erythematous, maculopapular rash that begins a few days after the fever starts; it classically starts at the head and spreads downwards.


Common causes of rashes include:

Evaluating a rash

The causes of a rash are extremely broad, which may make the evaluation of a rash extremely difficult. An accurate evaluation by a doctor may only be made in the context of a thorough history (What medication is the patient taking? What is the patient's occupation? Where has the patient been?) and complete physical examination.
Points to note in the examination include:
Typically, it is never a good habit for one to scratch a rash, as doing so may invigorate the rash and cause it to spread. Gently rubbing the rash may provide temporary relief, but it is more than likely better to avoid contact with the affected areas altogether.

Quick Overview of Symptoms of Skin Rashes/Diseases


External links

rash in German: Exanthem
rash in Spanish: Rash (dermatología)
rash in Persian: کهیر
rash in French: Exanthème
rash in Ido: Irito
rash in Italian: Esantema
rash in Hebrew: פריחה
rash in Latin: Exanthema
rash in Japanese: 皮疹
rash in Polish: Wysypka
rash in Portuguese: Exantema

Synonyms, Antonyms and Related Words

abrupt, abscess, adventuresome, adventurous, ague, anemia, ankylosis, anoxia, apnea, asphyxiation, asthma, ataxia, atrophy, audacious, backache, bleeding, blennorhea, bold, brash, brazen, brazenfaced, breaking out, breakneck, breathless, cachexia, cachexy, careless, chill, chills, colic, constipation, convulsion, coughing, cyanosis, daredevil, daring, dashing, deluge, dermatitis, devil-may-care, diaper rash, diarrhea, dizziness, dropsy, drug rash, dysentery, dyspepsia, dyspnea, eczema, edema, efflorescence, emaciation, epidemic, eruption, fainting, fatigue, fever, fibrillation, flood, flux, foolhardy, foolish, growth, hasty, headlong, heat rash, heedless, hemorrhage, high blood pressure, hives, hotheaded, hubristic, hydrops, hypertension, hypotension, icterus, ill-advised, ill-considered, impatient, impetuous, improvident, imprudent, impudent, impulsive, incautious, incogitant, inconsiderate, indigestion, indiscreet, inflammation, injudicious, insolent, insomnia, itching, jaundice, labored breathing, lots, low blood pressure, lumbago, madcap, marasmus, multitude, nasal discharge, nausea, necrosis, nettle rash, numbers, outbreak, overbold, overcareless, overconfident, overhasty, oversure, overweening, pain, panting, papular rash, paralysis, plague, precipitant, precipitate, precipitous, prickly heat, profusion, pruritus, quantity, quick, quixotic, reckless, redness, rheum, rupia, sclerosis, seizure, series, shock, silly, skin eruption, sneezing, sore, spasm, spate, succession, sudden, tabes, tachycardia, temerarious, thoughtless, tumor, unadvised, unchary, unconsidered, unthinking, unwary, unwise, upset stomach, urticaria, vaccine rash, venturesome, venturous, vertigo, vomiting, wasting, wave, wild
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