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Condition guide · Dermatology

Hidradenitis Suppurativa

Painful, recurring lumps and abscesses in the skin folds — what hidradenitis suppurativa is, why it keeps coming back, and how a consultant dermatologist can help you get it under control.

Hidradenitis Suppurativa assessment at Bridge House Clinic
What is hidradenitis suppurativa?

Hidradenitis suppurativa (HS) is a long-term inflammatory skin condition. It causes painful lumps, abscesses and, over time, tunnels and scarring.

It typically appears where skin rubs together, such as the armpits, groin, buttocks and under the breasts. HS tends to flare and settle in cycles, and it is often misread as ordinary recurrent boils for years before the right diagnosis is made. It cannot be cured outright, but with an accurate diagnosis and a tailored plan most people can reduce how often flares happen and how much they hurt. The earlier it is recognised, the more can be done to limit lasting scarring.

01Symptoms

Symptoms of hidradenitis suppurativa.

HS is graded by how far it has progressed — from occasional single lumps to widespread tunnels and scarring — and symptoms can differ a lot between people.

01Painful, recurring lumpsTender, deep-seated nodules that come up in the same areas again and again — most often the armpits, groin and inner thighs.
02Abscesses that leakSwellings that fill, become painful and can burst, draining pus or blood-stained fluid, sometimes with a noticeable odour.
03Sinus tracts and tunnelsChannels that form under the skin between repeated abscesses, leaving areas that weep and are slow to heal.
04Blackhead-like spots and scarringDouble-headed blackheads (open comedones) in affected folds, and rope-like or pitted scarring left behind after flares settle.
Sound familiar?Book an assessment with a consultant and get a clear picture — usually the same or next week.
02Causes & risk factors

Why it happens.

HS is driven by inflammation around blocked hair follicles in the skin folds — it is not an infection you have caught, and it is not caused by being unclean. Several factors make it more likely or set off flares.

Blocked, inflamed hair follicles
Family history of HS
Smoking
Being overweight, which adds friction in skin folds
Hormonal changes around periods
Friction from tight clothing and sweating
03When to get it checked

Don't wait for it to settle.

Early assessment helps you get the right treatment sooner. See a specialist if:

I.You keep getting boils in the same skin foldsRecurring lumps in the armpits, groin or under the breasts are the hallmark of HS and should be assessed properly rather than treated as one-off boils.
II.The lumps are painful, draining or leaving scarsAbscesses that burst, weep or form tunnels can scar permanently, so they are worth seeing sooner rather than later.
III.Antibiotics from the GP keep helping only brieflyIf flares settle on a course of antibiotics but return soon after, a dermatologist can look at longer-term control rather than repeated short fixes.
IV.A flare is spreading, very painful or you feel unwellRapidly spreading redness, severe pain or feeling feverish needs prompt medical attention, as a flare can become infected.
V.It's affecting your mood, work or relationshipsHS can take a heavy toll emotionally and on day-to-day life — that on its own is a sound reason to seek specialist help.
Book an assessment
Hidradenitis Suppurativa examination by a consultant
Diagnosing hidradenitis suppurativa at Bridge House Clinic
04How it's diagnosed

Diagnosed by examining the skin and its pattern.

HS is usually diagnosed clinically — there is no single blood test for it. Dr Dalia Alsaadi, Consultant Dermatologist, will examine the affected areas, ask about how often flares happen and where, and judge the stage you are at. She will rule out conditions that can mimic HS, such as ordinary boils or an infected cyst, and where a sample is helpful a small punch biopsy can be taken in clinic to confirm the picture before agreeing a plan with you.

05Treatment

How hidradenitis suppurativa is treated.

There is no one-size-fits-all treatment — the right approach depends on how advanced your HS is and how it affects you, and the plan is agreed with you at your consultation.

01Consultant assessment and staging

A full skin examination to confirm the diagnosis, gauge the stage of your HS and discuss everyday measures — such as stopping smoking and reducing friction — that genuinely help.

02Punch biopsy (if needed)

A small skin sample taken in clinic to confirm the diagnosis or rule out look-alike conditions, sent for laboratory analysis.

03Medical management plan

Prescribed treatment tailored to your HS — which may include topical or oral antibiotic courses, anti-inflammatory or hormonal options — agreed at your consultation, with the most suitable approach chosen for the stage you are at.

04Consultant follow-up

Reviewing how your skin is responding and adjusting the plan over time, so flares are managed for the longer term rather than treated one by one.

See a consultant dermatologist about your hidradenitis suppurativa.An initial dermatology consultation is £200, and a follow-up review is £100. If a punch biopsy or any treatment is recommended, the fee is confirmed individually before you decide to go ahead, so you always know the cost in advance.
Why Bridge House
I.
Same or next-week appointments

Seen in days — not months on a list.

II.
Consultant-led care

A named specialist, not a junior — all the way through.

III.
Transparent, fixed pricing

Every price published and confirmed in writing.

IV.
No NHS waiting list

Seen privately, without the wait.

V.
Private insurance accepted

We bill major UK insurers directly.

07FAQ

Common questions.

Can't find your answer? Call us — a real person picks up.

01244 982032
Could my recurring boils actually be HS? +

Quite possibly. Boils that keep returning in the same skin folds — especially the armpits or groin — are the classic sign of HS, which is often mistaken for ordinary boils for years. A consultant dermatologist can confirm whether it is HS and explain what that means for treatment.

Can I book directly, or do I need my GP to send me? +

You can arrange to see Dr Dalia Alsaadi yourself — a letter from your GP isn't required. Bringing any history of previous flares or treatments along helps make the most of the appointment.

Is HS contagious, and is it caused by poor hygiene? +

No on both counts. HS is an inflammatory condition linked to blocked hair follicles — it isn't an infection you can pass on, and it has nothing to do with how clean you are. A diagnosis helps put those worries to rest and focus on what actually helps.

What will the assessment and treatment cost? +

An initial consultation with the consultant dermatologist is £200, and a follow-up is £100. A punch biopsy, if needed, is £100. Any prescribed treatment is tailored to you, and any further fees are confirmed clearly before you go ahead.

Will treatment make my HS go away for good? +

HS is a long-term condition that can't be cured outright, but it can usually be brought under much better control. Rather than promise it will disappear, the focus is on reducing how often flares come, easing the pain and limiting scarring — and reviewing your plan as your skin responds.

Take the first step

Don't put up with it.

Book an assessment with a consultant and get a clear picture — and a plan.