is redness of the skin
caused by capillary
It can be caused by infection
, electrical treatments, acne
, exercise, solar radiation (sunburn
), or waxing and plucking of the hairs -- any of which can cause the capillaries to dilate, resulting in redness. Erythema is a common side effect of radiotherapy
treatment due to patient exposure to ionizing radiation
In about 30-50% of cases, the cause of Erythema is unknown.