The rashes are due to vasodilation arterioral.
erythema There are several types of assets, called erythema generally affect the entire integument (skin membrane) and reveal infectious diseases, viral or bacterial. Many childhood diseases like measles, rubella and scarlet fever, occur with red or pink rash (in this case we speak of rash). But some types of medication such as antibiotics, anti-inflammatory drugs and corticosteroids, also produce maculas skin.
Some rashes, are called "local erythema, as they have a very precise topography.
There are other rashes, which have much to do with emotions, usually manifest themselves in the face and upper chest area, and the end flush or rosacea.
In areas of the folds Intertrigo (erythema intertrigo), are caused by irritation, contact allergy, microbial or fungal infections, or psoriasis. Another condition
very upset, is erysipelas, which is an erythematous, hot and painful, often manifested in the face or legs, accompanied by fever, caused by strep bacteria in the skin.
The most common rashes, are caused by the sun, called accidents "photosensitizer" or also called "sunstroke", which is only limited to the irradiated areas, especially, face, neck, shoulders and / or arms.
An erythema not as common, but we also see in consultation, is the "passive erythema, which is due to the accumulation of blood from atony (weakness) of the venous capillaries of the dermis. The skin becomes red and violet becomes a cold. The vasomotor disturbance occurs for various reasons and usually takes the form of "acrocyanosis (livid blackish color), or chilblains (inflammation and redness in the skin, extremely painful)
Sandra Mazzeo J
Dermocosmiatra
09-7396893 / 02 Romeral
-9819513 9704 Vitacura www.conceptodc.cl
http://sandramazzeo.blogspot.com/
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