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The Italian term petecchia, in turn derived from the Greek pittákia, came to our language as petechia . This is called the small spot that appears in the skin when, internally, there is a blood bath .

The petechia arises when a capillary suffers damage and a small amount of blood Get out of the glass. At first, the stain tends to be reddish, blackish or violet and then, with the chemical alterations of the blood that occur over time, it becomes brownish, yellowish or greenish.

Petechiae, in short, imply a bleeding inside the skin that manifests as small dots usually red . If blood accumulates in larger flat areas, the phenomenon is known as purple while the blood gathered in a region with bruises great causes the call ecchymosis .

It is important not to confuse petechiae with erythema , which is a reddening of the skin without bleeding. In the case of petechiae, if the zone , the skin does not become lighter or whitish, something that does occur with erythema.

Bleeding into the skin, either as a petechia or another class, usually occurs due to trauma or injury . However, there are other causes that can cause it, such as a disease that alters the coagulation , a allergic reaction , a septicemia or a autoimmune disorder .

If the petechia bursts for no apparent reason and does not disappear with the passing of days, it is important to go to a doctor . The professional is able to study the picture and take the necessary measures to care for or restore the Health .

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