What is a Sebaceous Cyst?

A sebaceous cyst is a common skin condition that occurs when a hair follicle or oil gland becomes blocked. These cysts typically appear as small, round bumps that are painless and often go unnoticed. In this article, we will discuss what sebaceous cysts are, what causes them, and how they can be treated.

What are the Symptoms of a Sebaceous Cyst?

Sebaceous cysts typically appear as small, round bumps that are located just beneath the skin’s surface. They can range in size from a few millimeters to several centimeters in diameter. These cysts are usually painless, but they can become tender or inflamed if they become infected.

What Causes Sebaceous Cysts?

Sebaceous cysts are typically caused by a blockage in a hair follicle or oil gland. This blockage can occur for a variety of reasons, including hormonal changes, injury to the skin, or the use of certain skincare products. Sebaceous cysts can occur anywhere on the body, but they are most commonly found on the face, neck, and trunk.

How are Sebaceous Cysts Diagnosed?

Sebaceous cysts can usually be diagnosed by a dermatologist or healthcare professional through a physical exam. In some cases, a biopsy may be necessary to confirm the diagnosis.

How are Sebaceous Cysts Treated?

Sebaceous cysts typically do not require treatment unless they become infected or cause discomfort. If a cyst becomes infected, it may need to be drained or removed surgically. In some cases, a dermatologist may inject the cyst with a corticosteroid to reduce inflammation and promote healing.

Can Sebaceous Cysts be Prevented?

There is no guaranteed way to prevent sebaceous cysts from occurring, but there are steps that can be taken to reduce the risk of developing them. These include:

Avoiding the use of oily or greasy skincare products.

Maintaining good hygiene and keeping the skin clean.

Avoiding picking at or squeezing pimples or other blemishes.

Protecting the skin from injury or trauma.

Seeking medical attention promptly if a cyst becomes inflamed or painful.


Sebaceous cysts are a common skin condition that can occur for a variety of reasons. While they are typically harmless, they can become infected or cause discomfort if left untreated. If you notice a new or changing bump on your skin, it’s important to seek medical attention promptly to determine the cause and appropriate treatment.

sebaceous cysts, symptoms, causes, diagnosis, treatment, prevention.

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