According to the World Health Organization, sepsis is the cause of one in five deaths worldwide Michael Nied has been a digital news editor with PEOPLE since 2025. He has previously been published by ...

Cutaneous dental (or odontogenic) sinus tracts are uncommon occurrences in which a channel forms from a dental focus of infection to a drainage site on the skin of the face or neck. Odontogenic sinus ...

A pilonidal sinus is a small tunnel that develops at the top of the crease in the buttocks. Trapped hair around the buttocks crease can lead to an abscess, and a pilonidal sinus may develop as a ...

It often starts as a sore spot you assume is a zit, ingrown hair, or minor irritation. Then it gets worse. Sitting becomes ...

Pus is a thick yellowish, whitish, or greenish fluid made up of dead white blood cells, dead tissues, and dead bacteria or fungi. Also called liquor puris or purulent exudate, it is produced as part ...

A brain abscess is a localized collection of pus in the brain, often resulting from infections in nearby areas like the sinuses or ears. The classic triad of symptoms—fever, headache, and focal ...

A pyogenic liver abscess is a pus-filled sac in the liver that occurs due to infection or injury. Treatment involves antibiotics to address the infection. Drainage may also be necessary to help ...