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Most breast rashes have the same causes as rashes occurring elsewhere on the body. Some rashes occur only on the breast.

Causes of rash that occur only on the breast may include:

  1. Breast abscess
  2. Inflammatory breast cancer
  3. Mammary duct ectasia
  4. Mastitis
  5. Nipple dermatitis
  6. Nipple piercings or other body art, such as tattooing
  7. Paget's disease of the breast
  8. Radiation dermatitis

General causes of rash that can affect any part of the body, including the breast, include:

  1. Atopic dermatitis (eczema)
  2. Candidiasis (especially under the breasts)
  3. Cellulitis (a skin infection)
  4. Dermatitis
  5. Hives and angioedema
  6. Psoriasis
  7. Scabies
  8. Seborrheic dermatitis

Causes shown here are commonly associated with this symptom. Work with your doctor or other health care professional for an accurate diagnosis.

Apr. 11, 2014