Pustules are pus-filled blisters under the skin, often associated with acne. They can form in the epidermis or dermis and may require medical attention if they recur or become infected. Treatment involves keeping the area clean and consulting a dermatologist if necessary. Some pustules may be a sign of an underlying condition.
A pustule is a pus-filled blister located under the surface of the skin. They are probably most commonly associated with acne, a common dermatological condition for adolescents, although they are linked to other medical problems. While one may look nasty, it is often benign, as long as it is well cared for. Pustules that recur, become large, or develop signs of further infection and inflammation may require the attention of a dermatologist.
Pustules can form within the layers of the epidermis, or just below it, in the dermis. They are filled with a collection of dead cells that are in the process of breaking down. If one is broken, a thick white liquid will ooze out. White blood cells are typically abundant in a pustule, in contrast to normal vesicles which are simply filled with fluid and without necrotic inflammatory cells.
Many of these injuries will resolve on their own. The dead cells may be reabsorbed and expressed, or the pustule will eventually rupture, allowing the pus to drain. The site will eventually heal, with the skin returning to normal, but if it becomes severely inflamed, it can cause a scar. Scars can also occur when lesions keep occurring in the same spot or when people get them.
Treatment for pustules at home usually involves keeping the area clean by gently washing it with warm soapy water. A dermatologist may also recommend warm compresses to see if they open up the pores in your skin enough for the blisters to drain. For larger or more severe ones, a dermatologist can drain the pus and flush them out to reduce the risk of developing an infection. People should try to avoid draining or breaking them themselves, as this can increase the chances of developing an infection.
Patients should be aware that not all pustules are related to acne. Some are associated with certain types of rashes, and a sudden outbreak can be a sign that someone has an underlying disease or condition that warrants a trip to see a doctor. He or she can examine the lesions to determine the cause and make treatment recommendations. They can also form when there is a foreign body under the skin that the body cannot get rid of, such as a splinter, which leads to inflammation and a subsequent accumulation of pus.
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