Can a sebaceous cyst explode?
Some sebaceous cysts rupture while they are small. Others become very large, but eventually all cysts rupture. It may burst because there is simply no more room for the pocket to grow. Or, it may be bumped or broken and consequently ruptures.
What to do if a cyst opens?
Cover the opening with a clean dry bandage. If the dressing becomes soaked with blood or pus, change it. If a gauze packing was placed inside the opening of the cyst, it will need to be removed. Your healthcare provider will usually do this after 2 days.
What is the stuff that comes out of cysts?
These cells form the wall of the cyst and secrete a soft, yellowish substance called keratin, which fills the cyst. Sebaceous cysts form inside glands that secrete an oily substance called sebum. When normal gland secretions become trapped, they can develop into a pouch filled with a thick, cheese-like substance.
Can squeezing a cyst make it bigger?
While you may want to pop your cyst open, you should never do so by squeezing or picking at it. Most cysts are nearly impossible to squeeze out with your fingers alone. Plus, you can send bacteria and sebum deep below the hair follicles, causing the materials to spread and make even more cysts.