An abscess occurs when an infection causes a pocket of pus to develop. Abscesses can develop on the skin, in the mouth, or inside the body. Bacterial infections typically cause abscesses. Pus develops ...

Abscesses are a common problem if you have Crohn’s disease. They’re painful pockets of pus and bacteria that can form in your stomach, pelvis, or around your anus. You’ll need antibiotics to treat the ...