The dark elbow socket is related to physical factors such as clothing friction, long-term cleaning is not in place, and may also be caused by trauma, eczema, neurodermatitis, and so on.
1. Physiological factors: clothing friction leads to local pigmentation, long-term cleaning is not in place to cause dirt retention, etc., may cause some people elbow black phenomenon.
2. Trauma: when the elbow area has trauma, such as abrasions, sunburn, etc., the traumatic skin tissue repair and healing can appear pigmentation, thus manifesting as elbow black.
3. Eczema: the etiology of eczema is not clear, may be related to abnormal immune function, genetic factors, chronic infectious lesions. Eczema often cause patients with local skin erythema, blisters, corn size papules and other symptoms; when the lesion site repeatedly appeared vesicles, scabs and other phenomena, may cause skin roughness and hypertrophy, hyperpigmentation, which manifested in the elbow socket black.
4. Neurodermatitis: neurodermatitis will lead to the affected area of the skin dry, hypertrophy, the surface may have scratches and hyperpigmentation, so it will cause some patients to appear elbow pit black phenomenon. The cause of neurodermatitis is not yet clear, may be related to neuropsychiatric factors, chronic friction, etc., the patient’s skin lesions can also be manifested as reddish, tawny flat papules, mossy changes.
It is recommended that people with dark elbow sockets should seek medical attention if they have any other discomfort after eliminating physiological factors.