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 ...

A 27-year-old man will have a scar on his face for the rest of his life, after what he thought was a pimple turned out to be an infected cyst. In late 2024, Kai Davidson noticed a small lump on 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 ...