Pimple Like Rash Under Armpit. Armpit acne can also be caused by an allergic reaction as well as skin irritation. Potentially life-threatening symptoms may include hives a racing heart swelling itching and trouble breathing.
The rash consists of small raised spots appearing in clusters. There are a lot of reasons you might have a pink or red bump under your armpit but almost all point to some kind of irritation or infection of the skin. Lichen planus is a noncontagious rash that is believed to be caused by an overactive immune response.
In most cases skin rash can appear on both right and left underarms.
The following are the common causes of pimples under the armpits. It may also be present after shaving the underarm region. Such as the underarms groin and buttocks esp in women. An armpit rash refers to a change of the underarm skin that affects its appearance color or texture.
