Skin cysts, or sebaceous cysts, are slightly hardened, fluid-filled bumps under the skin. When a person feels them, they are moveable. They often affect the face, neck, and torso. The term “sebaceous ...

Medically reviewed by Jane Kim, MD You may have swollen armpit lumps due to infections, cysts, or vaccines.In severe cases, some armpit lumps could be a sign of breast cancer or other conditions.Talk ...

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 ...

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Ingrown hairs in the pubic area can form cysts, or sacs of fluid beneath the skin. A person may notice a lump, possibly with a hair visible beneath it. Cysts often go away without treatment, but some ...

A thyroglossal duct is a cyst or lump that develops in your neck or near your thyroid glands. It develops in the womb before birth and is usually diagnosed shortly after birth or during childhood. A ...

Different types of belly button infections can cause different symptoms, but most skin infections cause redness, tenderness or pain, and swelling. You may also have pus, drainage or discharge, or skin ...