👉 Erythematous is a medical term that refers to a type of redness or inflammation in the skin caused by an allergic reaction. It can be caused by a variety of factors, including medications, food allergies, and certain types of infections. Anaphylaxis, which is the most severe form of an allergic reaction, can result from an attack of erythematous skin. In this case, the body's immune system mistakenly identifies the substance that triggers the allergic reaction as a foreign
