‌Sebaceous hyperplasia is a harmless, common skin condition that becomes more common with age. It happens when your sebaceous oil glands make too much oil that gets trapped under your skin and causes ...

Sebaceous filaments are structures that allow sebum to flow to the surface of the skin. Tiny glands beneath the skin create sebum, which is an oily substance that helps lubricate the skin. When the ...

Lymphadenitis is an infection in one or more lymph nodes, which makes them enlarged. The lymph nodes may be very painful, and symptoms may include chills and fever. Treatment typically involves ...