The darkening of the elbow socket may be caused by physiological factors, neurodermatitis and other reasons.
1. Physiological factors: the elbow socket is in a special position, long-term friction may lead to local thickening and melanin deposition. In addition, it may also be related to skin aging, which leads to darkening of the elbow socket.
2. Neurodermatitis: Generally neurodermatitis is a chronic inflammatory skin disease, which is mainly manifested as paroxysmal itching in the elbow, wrist, neck and other parts of the body. The patient will scratch because of itching, long time may cause local skin thickening and melanin deposition, which leads to black elbow socket.
There may be many other reasons for the darkening of the elbow socket, and it is recommended that patients actively seek medical attention to clarify the cause of the disease and then carry out standardized treatment.