The most effective way to bring a bump to a head is by applying a warm compress for about 10 minutes at a time, several times a day. The heat increases blood flow to the area, softens the skin over the bump, and encourages pus to migrate toward the surface. Most bumps will form a visible white or yellow head within a few days of consistent warm compresses, though deeper infections can take a week or longer.
Before you start treating it, though, it helps to know what kind of bump you’re dealing with, because not every lump under the skin will respond the same way.
Identify What You’re Working With
The three most common bumps people try to bring to a head are boils, deep pimples, and cysts. They look similar at first but behave differently.
Boils are pus-filled lumps that form around hair follicles. They start as a hard, painful spot that’s red or discolored and swollen, sometimes itchy. They range in size from a cherry pit to a walnut and show up most often on the face, neck, armpits, groin, thighs, and buttocks. Boils are the bumps most likely to respond well to warm compresses because the pus naturally wants to find a way out.
Deep (cystic) pimples form when a pore gets clogged deep beneath the skin’s surface. They feel like a firm, tender knot and don’t have a visible head initially. Warm compresses help here too, though these can be stubborn and take longer to surface.
Cysts are fluid-filled lumps that grow slowly and feel round and moveable under the skin. They’re common on the neck, back, ears, scalp, and face. Cysts typically won’t come to a head on their own because they’re enclosed in a sac. Warm compresses may soften them slightly, but most true cysts need professional removal. If your bump has been slowly growing for weeks or months and isn’t particularly painful, it’s likely a cyst, and home treatment won’t resolve it.
How to Apply a Warm Compress
Soak a clean washcloth in warm water. You want it as warm as you can comfortably hold against your skin without burning. Wring it out so it’s damp but not dripping, then press it gently against the bump for about 10 minutes. Repeat this several times throughout the day, at least three to four sessions.
The washcloth will cool down after a few minutes. You can re-soak it in warm water partway through each session to keep the temperature up. Use a fresh washcloth each time, or at minimum wash the one you used before reapplying it. Bacteria from a draining bump can easily transfer back to your skin or to other areas.
Consistency matters more than intensity. A single long session won’t do what several shorter sessions spread across the day will. Most people see a visible head form within three to five days of regular compresses, though deeper bumps can take longer.
Drawing Salves and Other Topical Options
Ichthammol ointment, often called “drawing salve,” is a dark, thick ointment that people have used for generations to help pull infections to the surface. It works primarily by hydrating the skin over the bump, which reduces irritation and may help soften the tissue enough for pus to move upward. You can find it over the counter at most pharmacies. Apply a small amount to the bump, cover it with a bandage, and leave it on for several hours or overnight.
Tea tree oil has mild antimicrobial properties, but it must be diluted before it touches your skin. Mix 1 to 2 drops of tea tree oil with 12 drops of a carrier oil like coconut, olive, or almond oil. Applying undiluted tea tree oil can cause chemical irritation or burns, which will make things worse.
Hydrocolloid patches (pimple patches) absorb fluids like pus and oil from open, draining bumps. They work best once a bump has already come to a head and started oozing. There is some evidence they can reduce the size and redness of closed bumps too, but they’re significantly less effective on bumps that haven’t opened yet. If you want to use one, make sure the skin is clean and thoroughly dry first so the adhesive sticks properly.
What Not to Do
Squeezing or trying to pop a bump before it has a visible, soft head is one of the most common mistakes. When a bump is still hard and deep, squeezing it pushes the infection deeper into the tissue or spreads it sideways under the skin. This can turn a simple boil into a larger abscess or cause the infection to spread into surrounding tissue.
Poking at the bump with a needle, pin, or any sharp object at home is risky for the same reason. Without proper technique and sterile tools, you’re introducing new bacteria into an already-infected area. Even if you manage to release some pus, you’re unlikely to drain it fully, and the bump will often come back worse.
Let the warm compresses do the work. Once the bump develops a soft, visible head and begins to drain on its own, you can gently clean the area and apply a bandage. Keep applying warm compresses even after it starts draining to help it empty completely.
When a Bump Needs Professional Drainage
Some bumps won’t come to a head no matter how diligent you are with compresses. An abscess, which is a larger pocket of pus deep in the tissue, almost always requires a doctor to drain it. Antibiotics alone aren’t enough for most abscesses because the medication can’t penetrate well into the walled-off pus collection.
Doctors identify abscesses by four classic signs: redness, firmness, tenderness when touched, and a feeling of fluid shifting under the skin when pressed. The procedure itself is straightforward. A doctor numbs the area, makes a small cut, and drains the pus. It’s typically done in an office visit and provides almost immediate pain relief.
Certain locations on the body make drainage more complicated and may require a specialist. Bumps near the rectum, on the palms or soles, on the face, or around the nipple carry higher risks of complications like fistula formation or damage to nerves and blood vessels.
Signs of Spreading Infection
Most bumps are localized infections that resolve with basic care. But occasionally, the infection spreads into the surrounding skin (cellulitis) or beyond. Watch for these warning signs:
- Expanding redness: If the red area around the bump is growing over hours or days, the infection is spreading. Drawing a line around the edge of the redness with a pen can help you track whether it’s getting larger.
- Fever: A temperature above 100.4°F alongside a skin bump suggests the infection may be entering the bloodstream.
- Red streaks: Lines of redness radiating outward from the bump indicate the infection is traveling along lymphatic channels.
- Increasing pain: Pain that’s getting worse rather than better, especially if the bump isn’t draining, means the infection is building pressure or spreading.
- Multiple bumps: When several boils cluster together, it’s called a carbuncle. These are deeper infections that typically need medical treatment.
A single small boil that’s responding to warm compresses and slowly forming a head is normal. A bump that’s been getting bigger for over a week with no sign of a head, or one accompanied by fever and spreading redness, needs a doctor’s attention.