Medically reviewed by Jennifer Schwartz, MD Key Takeaways Pus forms when the immune system's white blood cells fight an infection.Pus can be different colors and may emit a foul odor if the infection ...

A man's severe back and belly pain turned out to be caused by a rare disease that causes pockets of pus to build up in a long muscle called the psoas. The 67-year-old man arrived at an emergency room ...

An abscess is an accumulation of pus inside the body caused by infections. An infection in the breast can lead to a breast abscess, which is a common condition in lactating females. It’s important to ...

A breast abscess is a pus-filled lump that grows under the skin as a result of an infection. These abscesses usually form during breastfeeding, but anyone, regardless of sex, can develop one. This ...

The traditional function of pseudouridine synthases is to convert uridine residues in RNA to pseudouridines. A study reveals a new function for the human PUS10 protein, which enhances micro-RNA ...

Boils usually heal on their own. If they do not, a doctor may need to lance it in an outpatient procedure. They will apply local anesthesia and then make a small cut in the boil to allow some of the ...

Boils are painful, pus-filled, and are caused by infections like Staphylococcus aureus. Cysts are painless, non-infectious growths filled with keratin or other substances. Antibiotics may treat boils ...

In her newest Instagram video, Dr. Pimple Popper takes on an abscess on a man's mouth and chin area. The abscess never ends—the doctor goes back more than three times to completely drain it. FYI: An ...