Squeezing a boil is one of the worst things you can do with it. Pressing on an active boil can force bacteria deeper into surrounding tissue, spread the infection into your bloodstream, and leave you with a worse problem than the painful lump you started with. That said, boils are common and often intensely uncomfortable, so the urge to speed things along is understandable. There are safer ways to encourage drainage at home and clear signals for when a doctor should handle it instead.
What a Boil Actually Is
A boil, known medically as a furuncle, is a deep infection of a hair follicle. It typically starts when Staphylococcus aureus bacteria attach to skin cells near a hair follicle opening, multiply there, and then invade downward between the layers of the follicle itself. Research in experimental skin infection models has shown that S. aureus cells attach to the outer skin layer within hours and penetrate the hair follicle within about twelve hours, anchoring themselves with string-like structures visible under electron microscopy.1PubMed. Furuncle-like lesions in mouse experimental skin infections with Staphylococcus aureus Your immune system responds by flooding the area with white blood cells, and the resulting battle produces a pocket of pus surrounded by inflamed, painful tissue.
This process is different from a simple pimple. A pimple involves a clogged pore near the skin surface. A boil sits deeper, usually reaching into the dermis or even the subcutaneous fat layer. That depth is exactly why squeezing is so dangerous: the pus pocket has tissue on all sides, and external pressure doesn’t reliably push material toward the surface. It can just as easily push infected material sideways or deeper.
Why Squeezing Makes Things Worse
When you squeeze a boil, you apply uncontrolled pressure to a confined pocket of bacteria and pus. Several things can go wrong.
- Deeper spread: Compressing the abscess wall can rupture it internally, sending bacteria into surrounding healthy tissue. What was a single boil can become a carbuncle, a cluster of connected boils that is harder to treat and more likely to scar.
- Bacteremia: Pressing infected material into the small blood vessels and lymphatic channels around the boil can introduce bacteria into your bloodstream. In healthy people this is usually handled by the immune system, but it raises the risk of a more serious systemic infection.
- Scarring: A boil that drains on its own through a natural opening generally leaves less tissue damage than one ruptured under manual pressure, which can tear the abscess wall irregularly and damage collagen in the surrounding skin.
- Incomplete drainage: Even if squeezing produces some pus at the surface, you almost never empty the cavity completely. The remaining bacteria recolonize the space, and the boil reforms, often larger and more painful than before.
The risks multiply depending on where the boil is located. Boils anywhere on the body can cause problems when squeezed, but certain locations carry unique dangers that most people are not aware of.
The Danger Zone on Your Face
Boils on or around the nose, upper lip, and between the eyebrows sit in a region sometimes called the “danger triangle of the face.” The veins in this area connect to the cavernous sinus, a large venous channel at the base of the brain. Unlike veins elsewhere in the body, the veins in this zone lack valves, so blood (and anything it carries) can flow backward toward the brain. Squeezing a boil here can push bacteria into these veins, potentially causing cavernous sinus thrombosis, a rare but life-threatening blood clot inside the skull.
Cavernous sinus thrombosis from nasal and facial infections, while uncommon, has been documented even in children. A case series reviewing patients under 16 years old with this condition found they presented with headaches, bulging eyes, restricted eye movement, and fever, all stemming from infections that started with septic foci in the nasal region.2PubMed Central. Cavernous sinus thrombosis of nasal origin in children The condition requires aggressive intravenous antibiotics and sometimes surgery. For this reason, boils on or near the center of the face should never be squeezed or manipulated at home. If a boil develops in this area and grows, see a doctor promptly rather than waiting to see if it resolves.
What You Can Safely Do at Home
Most small boils will eventually come to a head and drain on their own. The goal of home care is to speed that process without introducing new bacteria or forcing the infection deeper. The simplest and most effective approach is a warm compress: soak a clean washcloth in warm (not scalding) water, wring it out, and hold it against the boil for 15 to 20 minutes. Repeat this three or four times a day. The heat increases blood flow to the area, which brings more immune cells, and it softens the tissue over the boil, making it easier for the pocket to open naturally toward the surface.
A few additional precautions help during this waiting period:
- Keep it clean: Wash the area gently with soap and water. Don’t scrub aggressively, which can irritate the already inflamed tissue.
- Cover it loosely: A light bandage keeps clothing from rubbing and reduces the chance of spreading bacteria to other parts of your body or to other people.
- Don’t share towels or razors: Staphylococcus aureus transfers easily through shared personal items, and boils are highly contagious during the active stage.
- Watch for worsening signs: Spreading redness, red streaks radiating outward, increasing swelling, fever, or a boil that doesn’t start to improve within a week are all reasons to see a healthcare provider.
Once a boil has naturally opened and started draining, keep the area clean and covered with a fresh bandage. Most boils that drain fully heal without antibiotics. Resist the temptation to squeeze out the last bit of pus; let the body continue flushing the pocket on its own.
When a Doctor Needs to Drain It
Boils that are large (generally over two centimeters), extremely painful, located on the face, or not improving after a week of warm compresses often need professional drainage. The standard technique is incision and drainage, where a clinician numbs the area with a local anesthetic, makes a small cut into the abscess, and drains the pus. In many cases, the cavity is then loosely packed with gauze to keep the wound open and allow any remaining infected material to drain over the following days.
Newer approaches have shown promise, particularly for reducing pain during recovery. A technique called loop drainage threads a small vessel loop or rubber drain through the abscess cavity through two small incisions rather than one large one. A randomized controlled trial comparing loop drainage to standard packing found that pain at follow-up was significantly lower in patients who received the loop technique, and wound care during the first day and a half was much easier. Patient satisfaction ten days after the procedure was also significantly higher with the loop method.3PubMed. A Randomized Controlled Trial of Novel Loop Drainage Technique Versus Standard Incision and Drainage in the Treatment of Skin Abscesses The same trial found a striking difference in children: while about a fifth of children treated with packing had treatment failure, none in the loop drainage group did.
Other alternatives to traditional packing include needle aspiration, catheter drainage, and primary closure after drainage, all of which have been identified as viable options in a scoping review of the evidence on abscess management.4PubMed Central. Purulent Skin and Soft Tissue Infections, Challenging the Practice of Incision and Drainage: A Scoping Review If you need a boil drained, it’s worth asking your provider about these newer options, especially if packing sounds daunting or if the boil is on a child.
The MRSA Complication
Not all boils are created equal, and the specific strain of bacteria matters. Methicillin-resistant Staphylococcus aureus (MRSA) has become a common cause of skin abscesses and boils in many countries, and its involvement changes the picture in two ways. First, MRSA boils tend to be more aggressive and more likely to recur. Second, they don’t respond to the standard antibiotics that work against ordinary staph infections, which makes choosing the right treatment more challenging.5PubMed Central. Recurrent furunculosis – challenges and management: a review
This has practical implications for the squeeze-or-don’t question. If you squeeze a boil caused by MRSA and the bacteria spread into surrounding tissue, the resulting infection is harder to control with oral antibiotics alone. MRSA soft tissue infections account for a growing share of emergency department visits, and more severe manifestations can require broad-spectrum intravenous antibiotics or even agents that stop the bacteria’s toxin production.6Injury. Treatment of MRSA soft tissue infections: An overview You can’t tell by looking at a boil whether it’s caused by ordinary staph or MRSA. If your boil is unusually large, painful, or recurring, a doctor can culture the drainage to identify the pathogen and choose an appropriate antibiotic if one is needed.
People Who Face Higher Risks
Certain groups get boils more frequently and face more complications when infections develop. People with diabetes are among the most vulnerable. Diabetes impairs the immune system in several specific ways, including reduced ability of white blood cells to reach and destroy bacteria and weakened vascular reactions that slow immune response overall. This combination makes bacterial infections, including boils, abscesses, and carbuncles, both more likely to occur and slower to resolve.7Anais Brasileiros de Dermatologia. Diabetes mellitus and the skin For people with diabetes, squeezing a boil is especially risky because the body is already less equipped to contain a spreading infection. Early medical evaluation is the safer course.
People with conditions that suppress the immune system, such as those undergoing chemotherapy, taking immunosuppressive medications after organ transplants, or living with HIV, face similar heightened risks. The same applies to people with chronic skin conditions that create breaks in the skin barrier, making it easier for staph bacteria to gain entry. If you fall into any of these categories and develop a boil, the threshold for seeking professional care should be lower than for someone with a fully functioning immune system.
Why Boils Keep Coming Back
Recurrent boils are maddening. Some people clear one infection only to develop another a few weeks later, sometimes in the same area and sometimes elsewhere. The main reason is that Staphylococcus aureus colonizes certain parts of the body, particularly the nostrils, armpits, and groin. Even after a boil heals, the bacteria remain on the skin surface, ready to invade the next hair follicle that gets irritated or damaged.
Medical efforts to break this cycle have focused on decolonization, a strategy that combines hygiene education, applying mupirocin ointment inside the nostrils, and using skin washes with chlorhexidine or dilute bleach. Research suggests this combined approach has the best success at temporarily reducing how much staph you carry. However, the reduction in bacterial carriage tends to be temporary, and limited evidence from outpatient populations suggests that decolonization alone does not consistently reduce the risk of developing new infections.8PubMed Central. Staphylococcus aureus decolonization for recurrent skin and soft tissue infections in children That doesn’t mean decolonization is pointless; for many people it helps, and it’s low-risk. But the evidence is honest: there’s no guaranteed permanent fix for recurrent boils, and the bacteria are often persistent colonizers.
Practical steps that may help reduce recurrence include laundering sheets and towels frequently in hot water, replacing razor blades often, and avoiding tight clothing that creates friction in areas prone to boils. If household members are also getting boils, simultaneous decolonization of everyone in the household appears more effective than treating one person at a time, since the bacteria pass back and forth easily in shared living spaces.
Conditions That Look Like Boils but Aren’t
Before you decide how to manage a lump that looks like a boil, it’s worth considering whether it actually is one. A few conditions can mimic boils closely enough to cause confusion.
Hidradenitis suppurativa (HS) is probably the most commonly misdiagnosed look-alike. It causes deep, tender nodules that can fill with pus and drain, typically in the armpits, groin, under the breasts, and along the buttocks. Unlike ordinary boils, HS tends to recur in the same areas, produces scarring and sinus tracts between nodules over time, and doesn’t respond well to standard abscess drainage. It affects roughly one to four percent of the population, appears more often in women, and has associated risk factors including smoking, obesity, and family history.9PubMed Central. Hidradenitis Suppurativa: Inside and Out If you’ve been getting what seems like recurring boils in skin-fold areas, and each episode leaves hard lumps or tunnels under the skin, HS is worth discussing with a dermatologist. Squeezing HS lesions is even less productive than squeezing a regular boil, because the underlying problem is structural rather than a single bacterial invasion.
Cysts, particularly epidermoid cysts, are another common source of confusion. They form slow-growing, firm lumps under the skin that can become inflamed and infected, at which point they look and feel a lot like a boil. Unlike boils, cysts have a defined wall and tend to recur unless the entire sac is surgically removed. Squeezing an inflamed cyst is counterproductive for the same reasons as squeezing a boil, but the recurrence problem won’t stop until the cyst wall is excised.
The Compulsion to Pick and Squeeze
For some people, the urge to squeeze a boil goes beyond simple impatience. Excoriation disorder, also known as skin-picking disorder, involves recurrent picking at the skin that leads to lesions and significant distress or difficulty functioning.10PubMed Central. Excoriation (skin-picking) disorder: a systematic review of treatment options People with this condition may find it nearly impossible to leave a boil alone, not because they think squeezing is a good idea, but because the compulsion overrides their better judgment. If you recognize this pattern in yourself, it’s a situation where knowing the risks isn’t enough on its own. Cognitive behavioral therapy, particularly a variant called habit reversal training, is one of the more effective treatments. Mentioning the issue to a doctor or therapist can open up options that make it easier to let infections heal without interference.
Even without a clinical diagnosis, the satisfaction of popping or draining something is a nearly universal experience, as the popularity of extraction videos online will confirm. The difference is that a pimple on the skin’s surface carries relatively low risk if you pop it with clean hands, while a boil involves a deeper, walled-off infection where the stakes are genuinely higher. Treating a boil the way you’d treat a whitehead is the specific mistake that leads to complications.