Most boils on the buttocks can be treated at home with warm compresses, and they typically drain on their own within one to three weeks. The key is drawing the infection to the surface without squeezing or popping it, which can push bacteria deeper into the tissue. Here’s how to treat a boil effectively and when to recognize that it needs professional care.
Warm Compresses Are the First-Line Treatment
A warm, moist washcloth applied to the boil is the single most effective home treatment. The heat increases blood flow to the area, which brings infection-fighting white blood cells to the site and encourages pus to collect and move toward the surface. Apply a warm compress for about 10 minutes at a time, several times a day. Many people find that three to four sessions daily speeds things along noticeably.
You can use a clean washcloth soaked in warm (not scalding) water, or a microwaveable moist heat pack wrapped in a thin towel. Re-wet the washcloth as it cools so you maintain consistent warmth throughout each session. Use a fresh washcloth each time to avoid reintroducing bacteria.
Within a few days of consistent compresses, you should see the boil develop a visible white or yellow head. Once it ruptures and drains on its own, keep the area clean with mild soap and water, cover it loosely with a bandage, and continue warm compresses until the wound closes. Wash your hands thoroughly before and after touching the area.
What Not to Do
Do not squeeze, pop, or prick a boil with a needle or sharp object. This is the most common mistake, and it can spread the infection into surrounding skin or push bacteria deeper into the tissue. In rare cases, bacteria from a boil can enter your bloodstream and travel to other parts of your body, causing sepsis or infections in bone or heart tissue. The urge to pop it is understandable, especially in an uncomfortable spot like the buttocks, but the risk is real.
Over-the-Counter Options
Ichthammol ointment, sometimes called “drawing salve,” is a dark, thick ointment available at most pharmacies without a prescription. It works by hydrating the skin around the boil, which may reduce irritation and help the boil come to a head faster. Apply a thin layer to the boil, cover it with a bandage, and reapply once or twice daily. It’s not a cure on its own, but it can complement warm compresses.
Over-the-counter pain relievers like ibuprofen or acetaminophen can help manage the soreness, which tends to be worse when sitting. A cushion or donut pillow can take pressure off the area while you’re at a desk or in a car.
When a Boil Needs Medical Treatment
Some boils won’t resolve with home care alone. If your boil hasn’t started improving after 48 hours of warm compresses, or if it’s growing larger, a doctor may need to drain it with a small incision. This is a quick in-office procedure where the area is numbed, a small cut is made, and the pus is drained. It usually provides near-immediate pain relief.
Certain warning signs mean you should seek care promptly rather than waiting:
- Red streaks spreading outward from the boil, which signals that the infection is moving through your lymphatic system. This can progress to a bloodstream infection in less than 24 hours.
- Fever, chills, or fatigue alongside the boil, suggesting the infection has become systemic.
- Multiple boils clustered together (called a carbuncle), which are more likely to need antibiotics.
- A boil larger than a golf ball or one that’s extremely painful and firm without any sign of coming to a head.
Antibiotics are not routinely needed for a single boil. Doctors typically reserve them for cases where initial treatment has failed, when the infection shows signs of spreading, or when someone has a weakened immune system.
Making the Buttocks Area Easier to Manage
The buttocks are a particularly frustrating spot for boils because of constant pressure, friction, and warmth. A few adjustments help during the healing period. Wear loose-fitting cotton underwear and pants to reduce friction. Avoid sitting for long uninterrupted stretches. After showering, dry the area thoroughly since moisture encourages bacterial growth. Sleep in loose shorts or skip tight clothing at night.
If the boil is in the crease between the buttocks, keeping the area dry with a light dusting of absorbent powder (not talc-based) can reduce irritation. Change bandages at least twice a day or whenever they become damp.
Preventing Boils From Coming Back
Recurrent boils in the same area are common, especially on the buttocks. Staphylococcus bacteria, the usual cause, can linger on the skin and re-enter through hair follicles or small breaks. Shower daily and immediately after heavy sweating. Avoid sharing towels, razors, or washcloths. If you shave the area, consider switching to an electric trimmer, which causes fewer nicks than a razor.
Change underwear daily and after workouts. If you sit for long periods at work, take short standing breaks to reduce heat buildup. Some people prone to recurrent boils find that using an antibacterial body wash in friction-prone areas helps reduce the bacterial load on the skin.
When Recurrent Bumps Might Be Something Else
If you keep getting painful lumps on your buttocks, inner thighs, or groin that last for weeks and don’t respond to normal boil treatment, it’s worth considering hidradenitis suppurativa (HS). This chronic skin condition looks similar to boils in its early stages, starting as pea-sized lumps under the skin. The key differences: HS lumps tend to persist for weeks rather than days, they often recur in the same locations, and over time they can form tunnels under the skin that ooze pus and blood. HS also tends to cause significant scarring. It most commonly appears in areas with high concentrations of sweat glands and skin-to-skin friction, including the buttocks, groin folds, and armpits. A dermatologist can distinguish between recurring boils and HS, and the treatment approaches differ significantly.