Which condition can result in erythema?

Erythema refers to the redness of the skin caused by increased blood flow to the capillaries in the superficial layers of the skin, often as a response to various conditions. Each of the conditions listed can lead to erythema.

Infections can cause localized redness due to the inflammatory response of the body trying to fight off pathogens. This increased blood flow brings immune cells to the affected area, resulting in erythema.

Allergies may trigger erythema as part of an allergic reaction. When the body encounters an allergen, it releases histamines and other chemicals that can dilate blood vessels, leading to inflammation and redness in the skin.

Burns, whether thermal, chemical, or due to radiation, directly damage the skin and surrounding tissues. This damage triggers an inflammatory response, resulting in erythema as blood vessels dilate to increase blood flow to the area, aiding in repair and healing.

Since all these conditions share the feature of causing inflammation and increased blood flow, it is accurate to conclude that each can result in erythema.