what illnesses cause dark rings under the eyes
Some of the most common causes of true under-eye circles are: 1  Allergies. 2  Atopic dermatitis (eczema) 3  Contact dermatitis. 4  Fatigue. Hay fever (allergic rhinitis)  Heredity â dark under-eye circles can run in 1  families. Pigmentation irregularities â these are a particular concern for people of color, especially blacks and Asians.