Adenitis is a general term for an inflammation of a gland.
[1] Often it is used to refer to lymphadenitis which is the inflammation of a lymph node.
The infected lymph nodes typically become enlarged, warm and tender.
Types include:[citation needed] Sebaceous adenitis is an inflammation of the sebaceous glands in the skin.
These glands normally produce sebum (skin oil, a lipid-rich secretion) which prevents drying of the skin.