reddening of facial skin due to increased blood flow
Facial erythema, commonly known as facial redness, refers to the reddening of the skin on the face due to increased blood flow in the superficial blood vessels. This condition can be caused by various factors, including sunburn, rosacea, allergic reactions, or other inflammatory skin conditions. It is often characterized by a flushed appearance and can be accompanied by other symptoms such as swelling or warmth.