The red rash on the baby’s chest is mostly considered to be caused by prickly heat, acute urticaria, eczema and other diseases.
1. prickly heat: when the affected children are in hot and humid temperature, their own sweat gland ducts are blocked or excretion is impaired, resulting in inflammatory reaction of the skin tissue, prickly heat occurs, manifested as dense red papules, blisters, pustules.
2. Acute urticaria: related to infection, food and drug allergies and other factors, the body releases a large number of histamine, resulting in increased vascular permeability, causing skin erythema, doughnuts with itching.
3. Eczema: related to infection, autoimmune, environmental, genetic and other factors, resulting in the appearance of erythema, papules, blisters, vesicles, oozing and other manifestations.
Baby chest long red rash, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.