It can be caused by infection, massage, electrical treatment, acne medication, allergies, exercise, solar radiation (sunburn), photosensitization, acute radiation syndrome, mercury toxicity, blister agents, niacin administration, or waxing and tweezing 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.
symptom of Rosacea
symptom of Angular cheilitis
symptom of Herpes labialis
symptom of Vertigo
symptom of Psoriasis
symptom of Epidermolysis bullosa
medical cause of Dermatitis
symptom of Aquagenic urticaria