Hives – itchy, slightly raised areas of the skin with many different causes.Intertrigo – a rash that usually occurs between the folds of the skin, including the skin under the breast.Heat rash – a skin rash that occurs when sweat glands on the skin are blocked.Dermatitis and Eczema – conditions that cause inflammation of the skin.However, some rashes only occur on the breast.Ĭommon conditions that can cause rashes all over the body, including the breast, may include: Most skin rashes are caused by medical conditions that can cause rashes elsewhere in the body. In rare instances, it can be a sign of breast cancer, such as Paget’s disease of the nipple or inflammatory breast cancer. Common causes include infections or allergic reactions. What causes breast rash?Ī breast rash can have many different potential causes.
The skin can also look inflamed and be itchy, scaly, painful or blistered. A breast rash is redness or irritation that occurs on the skin of the breast. A rash is an area of skin that has changes in texture, appearance and colour.
