The redness and itchiness at the neck and neckline may be caused by eczema, urticaria, contact dermatitis and other reasons.
1. Eczema: Eczema is a chronic, inflammatory, itchy skin disease, when eczema occurs in the neck and neckline, it can cause local skin redness, itching and other inflammatory manifestations.
2. Urticaria: Urticaria is usually manifested as an edematous mass raised on the surface of the skin and mucous membranes, often accompanied by obvious itching. Therefore, when urticaria appears in the neck and neckline, there may be localized redness and itching of the skin.
3. contact dermatitis: such as the clothing worn, long-term friction neck and neckline parts, or wear a scarf, wear metal jewelry and other reasons, such as an allergic reaction to these items, will cause redness and itching at the neck and neckline.
Redness and itching at the neck and neckline, without relief, it is recommended to go to the hospital in time for relevant examination and treatment, do not blindly deal with their own.