Discovering a lump or bump in the armpit can be alarming, but it is often the result of a blocked gland. The armpit (axilla) is a complex area filled with sweat glands, lymph nodes, and hair follicles, all of which can become obstructed or swollen.
Irritation from shaving or friction can cause bacteria to enter the follicle, leading to a red, painful bump that may contain pus. Is It a Blocked Gland or a Swollen Lymph Node?
A "blocked gland" in the armpit is most commonly a clogged hair follicle or an inflamed sweat gland, which can progress into a chronic condition known as . It often begins when keratin—the protein that makes up your skin and hair—plugs a follicle, trapping sweat and bacteria deep beneath the surface. The Progression of a Blocked Gland The lifecycle of a blockage typically follows this "story": blocked gland armpit
Discovering a lump in your armpit can be unsettling, but in many cases, it is simply a . Your underarms are home to a high concentration of sweat glands and hair follicles, making them prone to various types of minor obstructions.
While many blocked glands resolve on their own, you should seek medical attention if: Discovering a lump or bump in the armpit
In chronic cases like Hidradenitis Suppurativa (HS), these ruptures happen repeatedly. Over time, "sinus tracts"—narrow tunnels under the skin—connect these lumps, leading to permanent scarring and persistent drainage. Common Causes & Triggers Clogged sweat glands: Causes and symptoms - Vinmec
The following guide explains why these blockages occur, how to tell them apart from other conditions, and when it is time to seek professional medical advice. Common Causes of Blocked Glands in the Armpit Is It a Blocked Gland or a Swollen Lymph Node
Would you like a comparison between a blocked sweat gland, a lymph node, and hidradenitis suppurativa?