Definition
Breast rash is a change in the color or texture of the skin on the breast. It can be due to irritation or disease. A breast rash can be itchy, scaly, painful or blistered.
Causes
Some rashes occur only on the breast. But most breast rashes have the same possible causes as rashes on other parts of the body.
Causes of a rash that occurs only on the breast include:
Breast abscess
Inflammatory breast cancer
Mammary duct ectasia
Mastitis (an infection in breast tissue)
Nipple dermatitis
Paget’s disease of the breast
Causes of a rash on the breast that can also occur on any part of the body include:
Atopic dermatitis (eczema)
Candidiasis (especially under the breasts)
Cellulitis (a skin infection)
Dermatitis
Hives and angioedema
Psoriasis
Scabies
Seborrheic dermatitis
Shingles
