Painful Pimple Under Breast. Waiting for the pimples to go away is one option. It can help to wear a cotton top under your bra.

Whenever theres puss involved it is an infection. Pimples and zits under your breast if they are in clusters or rash-like areas could be brought on by heat rash. Its a painful buildup of infected fluid or pus that can cause the breast to feel swollen.
Pimples and zits under your breast if they are in clusters or rash-like areas could be brought on by heat rash.
While it is nothing to be concerned about acne can scar if left untreated. Over the course of several days it grows larger softens and develops a white pus-filled head. As we all know women undergo a lot of life changes which affect the normal appearance of the breasts. Its a painful buildup of infected fluid or pus that can cause the breast to feel swollen.