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Hidradenitis suppurativa, often shortened to HS, is a long-term inflammatory skin condition that causes painful, deep lumps and boil-like bumps in places where skin rubs against skin, such as the armpits, groin, buttocks, and under the breasts. It is not an infection, it is not contagious, and it is not caused by being unclean. The lumps come back in the same spots over and over because the problem starts deep in the hair follicle, and while HS is a lifelong condition, treatment can reduce how often flares happen, ease the pain, and help limit scarring.
Most people who finally come in for HS are exhausted by it. They have kept a dark shirt in the car because of drainage, tucked gauze into their waistband before work, slept on one side because lying flat hurts, or skipped the pool for years. Many have been to urgent care three or four times and had a lump lanced each visit, only to have another one show up a month later a half inch away. Sex, exercise, and even sitting through a long meeting can become something to plan around. That grind is real, and it is a medical problem, not a personal failing.
HS begins when hair follicles, the tiny pockets in the skin that hair grows out of, become plugged and then rupture underneath the surface. The immune system reacts to what leaks out, and that reaction is what produces the swelling, redness, and deep aching pain. Genetics play a large part, and roughly one in three patients has a parent, sibling, or cousin with the same thing. Hormones matter too, which is why HS usually starts after puberty and why many women notice flares in the week before a period. Smoking and carrying extra weight can make flares more frequent and more severe, though plenty of people with HS neither smoke nor carry extra weight.
One point deserves saying plainly. HS is not caused by poor hygiene, and it is not your fault. Washing more often or scrubbing harder will not stop the lumps, and aggressive scrubbing usually irritates the skin further.
No. You cannot catch HS from another person and you cannot give it to a partner, a child, or anyone who uses the same towel or gym bench. Drainage from an HS lump can smell and can pick up bacteria along the way, which is a big reason the condition is so often mistaken for a staph infection, but the underlying driver is immune-related inflammation rather than a germ that spreads person to person.
Skin folds, almost always. The armpits, the groin and inner thighs, the buttocks and the crease between them, and the skin under or between the breasts are the classic locations. Some people get it on the lower abdomen, the back of the neck, or behind the ears. HS tends to be symmetric, meaning both armpits or both sides of the groin, and it tends to return to the same few spots rather than wandering.
A dermatologist diagnoses HS by examining the skin and listening to your history. There is no blood test that confirms it. Three clues point to the diagnosis: the typical locations in skin folds, lesions that keep coming back in the same place, and the specific look of the bumps, which include deep tender nodules, abscesses that drain, tunnels under the skin called sinus tracts, and paired blackheads sitting side by side. A swab or a small biopsy is sometimes taken to rule out other causes, not to prove HS. Many patients go years before anyone names the condition, so if this description sounds like you, bring it up directly at your visit.
Dermatologists usually describe HS in three stages. Stage one means one or a few separate lumps with no tunneling or scarring. Stage two means repeated lumps in more than one area with some tunnels or scars forming, but with normal skin still in between. Stage three means widespread involvement where tunnels and scarring connect across an entire area. Staging matters because it guides how aggressive treatment should be, and lower stages generally respond to simpler measures.
Treatment is aimed at control, not at a one-time fix, and most plans combine more than one approach. Topical washes and medicated creams can calm mild disease. Oral antibiotics are used at length here for their anti-inflammatory effect rather than to treat an infection. Hormone-directed pills help many women whose flares track with their cycle. For moderate to severe HS, biologics, which are injectable medicines that block a specific part of the immune response, have changed what is possible and are now FDA approved for this condition. A steroid injection placed directly into an angry lump can bring relief within a day or two. Procedures that unroof a stubborn tunnel or remove a badly scarred area are an option when medicine alone is not enough.
Small habits reduce friction and irritation, which is where flares often start. Wear loose, breathable clothing and swap tight waistbands for softer ones. Warm compresses can take the edge off a painful nodule. Use a gentle antibacterial or benzoyl peroxide wash instead of scrubbing. Skip shaving or waxing over active areas, since both traumatize the follicle. Resist squeezing or popping a lump, because pressure pushes inflammation deeper and worsens scarring. If you smoke, quitting is one of the highest impact changes available. Absorbent dressings kept in a purse or car make the day easier when something is draining.
See a dermatologist as soon as the same kind of lump has come back more than once, rather than waiting until things are severe. Earlier treatment protects the skin from permanent tunneling and scarring. Make an appointment if you notice any of the following:
Blue Ribbon Dermatology cares for patients of all ages in Allen and welcomes neighbors from Plano, McKinney, Frisco, Fairview, and Wylie. HS is a condition that rewards a steady relationship, since plans get adjusted over time based on what your skin is doing. Having that care close to home makes it far easier to be seen quickly during a flare instead of driving across the metroplex in pain.
No. A boil is a single infected follicle that usually resolves and does not return. HS produces lumps that come back repeatedly in the same skin folds and can form tunnels under the surface. If you have had several boils in the same area, that pattern itself is the clue.
Please do not. Squeezing forces inflammatory material deeper into the tissue, which increases pain, raises the chance of scarring, and can create new tunnels. A dermatologist can drain a lump properly or inject it with steroid for faster relief.
Not at all. HS involves an immune system that is overactive in the skin, not one that has stopped working. People with HS are not more likely to catch ordinary infections because of it.
Avoid shaving or waxing over skin that is actively inflamed, since both irritate the follicle and can set off a flare. When an area is calm, some people do fine with careful trimming using clippers. Talk with your dermatologist about hair removal options that fit your situation.
Diet does not cause HS. Some patients report that dairy or high sugar foods seem to worsen their flares, and it is reasonable to notice your own patterns. There is no diet that treats the condition on its own, so food changes should sit alongside medical treatment rather than replace it.
HS is a chronic condition, meaning it tends to persist over years, and some people see it quiet down after menopause or with sustained treatment. What treatment can realistically do is make flares less frequent, less painful, and less damaging to the skin. Many patients go long stretches with very little activity once they land on the right plan.
If painful lumps keep returning and you are tired of being told it is just a boil, you deserve a real diagnosis and a real plan. Schedule an appointment at Blue Ribbon Dermatology in Allen and let us take a look. You do not have to keep managing this on your own.
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