Blocked sweat glands, also known as hidradenitis suppurativa (HS), is a skin condition that occurs when sweat glands become clogged and inflamed. This can lead to painful bumps, abscesses, and pus-filled lesions in the underarm area, as well as other parts of the body.
Here's some interesting information about underarm pictures of blocked sweat glands: underarm pictures of blocked sweat glands