Erythema Radial

What is erythema? **Erythema** is a limited area of ​​hyperemia. Most often, erythema is a physiological temporary change in skin color in response to any irritation of its sensitive layer - the dermis. Due to the fact that the surface layer of the skin is penetrated by nerve endings, we can often notice this symptom in case of overwork or nervous tension. Redness can also occur from sitting for a long time in a stuffy room.

The term “erythema” is understood as a general term that combines the symptoms of redness of the skin, but in medicine the term “erythema” refers to several different diseases and pathological conditions that cause this phenomenon:

- Usually, being an inflammatory skin disease, the disease begins as a result of infection;

- Including, erythema can often occur with insect bites;

- In addition, a common cause is an allergic reaction to various products, adverse effects of external factors or sunburn;

These are all possible reasons for the development of erythema; let us pay attention to its main types according to the condition of the skin: * **spotted** - there are spotty redness on the skin that can merge; * **bubbly** - red lesions are abundantly covered with bubbles and