Pilonidal sinus—also called a pilonidal cyst—is a skin infection that occurs in or around the crease of your buttocks. This condition happens when hair, skin cells, and dirt clog a hair follicle, ...

A urachal cyst is a sac of tissue and fluid between the bladder and the belly button, which can sometimes cause discomfort or symptoms if it drains. An infected urachal cyst can pierce the bladder or ...

There are different types of pilonidal cyst surgery. One involves cutting the cyst to drain the fluid, while another involves removing the cyst completely. Depending on the surgery type, a person can ...

Incomplete sealing of the urachus — a line of connectivity between a fetus and the umbilical cord — can cause a urachal cyst to develop. It can lead to abdominal pain and other symptoms and often ...

Discharge from your belly button might be a sign of an infection, like a yeast or bacterial infection. Poor hygiene can cause a brown belly button discharge from built-up skin cells, sweat, and ...

Ah, the belly button: It's cute to get pierced (and cute in general!) but you may want to be aware that the area is also a breeding ground for bacteria and can lead to belly button infections. “Belly ...

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 ...