What is breast rash?
Rash is a symptom that causes the affected area of skin to turn red and blotchy, and to swell. The rash may cause spots that are bumpy, scaly, flaky, or filled with pus. Rashes can vary in location, pattern and extent and may occur in any area of the body. A breast rash can have a variety of causes, and it may indicate something occurring in the breast itself or suggest a systemic (body-wide) condition.
Contact dermatitis (skin inflammation) is caused by an adverse reaction something that touches the skin, including chemicals found in detergent, soap or a fragrance. For example, you may develop a rash on your breast from wearing a shirt that was washed with a particular detergent