Most skin cysts are harmless, but they won’t go away on their own. The only way to permanently get rid of a cyst is to have the entire sac surgically removed. Short of that, warm compresses can reduce swelling, and a doctor can drain or inject the cyst to shrink it, though both of those options carry a higher chance of the cyst coming back.
Here’s what actually works, what doesn’t, and what to expect from each option.
What a Skin Cyst Actually Is
A skin cyst is a small, enclosed pocket under the skin that fills with fluid, dead skin cells, or other material. The two most common types are epidermoid cysts, which develop in the top layer of skin and can appear almost anywhere on the body, and pilar cysts, which form in hair follicles, usually on the scalp. Both are sometimes called “sebaceous cysts,” though that name isn’t technically accurate for either one.
What makes cysts tricky is their structure. Each one is surrounded by a thin lining, or sac. That sac is essentially a little factory: even if you drain everything inside, the lining stays behind and refills over time. This is the single most important thing to understand about getting rid of a cyst, because it determines which treatments are temporary and which are permanent.
What You Can Do at Home
Warm compresses are the safest home treatment. Apply a warm, wet washcloth to the cyst for 20 to 30 minutes, three to four times a day. You can also use a hot water bottle or heating pad placed over a damp towel. Keep the temperature at roughly bath water level to avoid burning your skin. This won’t eliminate the cyst, but it can reduce inflammation, ease discomfort, and sometimes encourage the cyst to drain on its own through the skin’s surface.
What you should never do is squeeze, pop, or try to cut open a cyst yourself. Puncturing a cyst at home pushes bacteria deeper into the tissue, which can turn a painless lump into a painful infection. For cysts near joints, the risk is even more serious: bacteria can travel directly into the joint itself, creating a dangerous infection that’s far worse than the original cyst.
Professional Options for Removal
If a cyst bothers you, whether because of its size, location, or discomfort, a doctor can address it in a few different ways.
Drainage
This is the quickest option. Your provider numbs the area with a local anesthetic, makes a small cut in the skin, and squeezes out the contents. The whole process takes minutes, and you go home with gauze and a bandage. The downside: because the sac stays intact under the skin, the cyst often refills over weeks or months. Drainage is best thought of as a temporary fix, useful for relieving pressure or treating an active infection.
Surgical Excision
This is the only method that reliably prevents a cyst from coming back. The doctor numbs the area, makes an incision sized to the cyst, and removes the entire cyst in one piece, sac and all. The opening is closed with stitches. You may need a follow-up visit to have those stitches removed, though some providers use absorbable stitches that dissolve on their own. According to the Mayo Clinic, this procedure is safe, effective, and often prevents regrowth entirely.
Steroid Injections
For inflamed or swollen cysts, a doctor can inject a small amount of a steroid directly into the lump. This can be very effective at shrinking the cyst and calming redness. It’s particularly common for cystic acne. The injection doesn’t remove the cyst, though, so it may return. You’ll need to wait about six weeks between injections in the same spot.
Signs Your Cyst Needs Medical Attention
Most cysts sit quietly under the skin for months or years without causing problems. But certain changes mean something more is going on. Pain, swelling, redness or discoloration of the surrounding skin, and any kind of drainage, especially yellow or foul-smelling fluid, all point to a possible infection or rupture. An infected cyst means bacteria are actively multiplying inside it, and a ruptured cyst means the sac has broken open under the skin, triggering inflammation even without bacteria.
A cyst that’s rapidly growing, very painful, or located somewhere that interferes with movement or daily life is also worth having evaluated. Your doctor can usually diagnose a cyst by examining it, though they may use imaging if they want to confirm what’s inside.
Why Cysts Come Back
Recurrence is the most frustrating part of dealing with cysts. The pattern is simple: if any part of the sac lining remains under the skin, the cyst can refill. This is why drainage and home remedies provide relief but rarely solve the problem permanently. Full surgical excision has the lowest recurrence rate because it removes the source.
There’s also no reliable way to prevent new cysts from forming in the first place. Epidermoid cysts develop when skin cells that normally shed to the surface instead grow inward, and there’s no skincare routine or supplement that stops that from happening. If you’re prone to cysts, you may develop new ones in different locations over time, but each individual cyst can be dealt with on its own terms.
What Recovery Looks Like
After a simple drainage, recovery is minimal. You’ll keep the area clean and covered, and most people return to normal activities the same day. After surgical excision, recovery takes a bit longer because of the stitches. You’ll need to keep the wound clean and dry, watch for signs of infection at the incision site, and avoid activities that put tension on the area until it heals. Most small cyst removals heal within one to two weeks, though larger or deeper cysts may take longer.
The procedure itself is done under local anesthesia in a clinic or office setting. You’re awake the entire time and go home afterward. The area may feel tender for a few days, but the discomfort is generally mild compared to living with an inflamed cyst.