# Hidradenitis Suppurativa Symptoms: What to Look For

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Category: Diagnosis
Published: 2026-05-21
Last updated: 2026-05-22
Last editorially reviewed: 2026-05-22
Next scheduled review: 2027-05-22

Author: Dr. rer. nat. Dennis Alexander Kwiatkowski (Biochemist, Scientific Writer and Pharma Expert)
Scientific editor: Dr. rer. nat. Dennis Alexander Kwiatkowski
Reviewer qualifications: Biochemist, Scientific Writer and Pharma Expert
Review scope: Scientific literature, clinical guidelines, sources, and editorial clarity
Clinical reviewer: No independent clinical review
Tags: Acne Inversa, Hidradenitis Suppurativa, HS, Diagnosis, symptoms, hidradenitis suppurativa, acne inversa, diagnosis

> Which symptoms fit with hidradenitis suppurativa? This overview puts nodules, abscesses, drainage, sinus tracts, scars, pain and typical body sites into context.

Medical disclaimer: This website is for general educational information only and does not replace medical advice, diagnosis, or treatment. Please speak with qualified medical professionals about symptoms or treatment decisions.

## 60-second summary

- The pattern matters more than any single lesion: the same places, coming back over months or years.
- Common signs are painful lumps, abscesses, drainage, tunnels under the skin and scarring.
- Armpits, groin, buttocks, inner thighs and the area under the breasts are most often affected.
- Pain, leakage and odour frequently affect daily life more than the visible skin does.
- Symptoms alone do not confirm HS — a clinician makes the diagnosis.

**What this means:** Describing when, where and how often symptoms occur gives a clinician far more to work with than a single photo of one bad flare.

**What we are less certain about:** Symptoms overlap with boils, folliculitis and other conditions, so the same description can fit more than one diagnosis.

**What you can do next:** Note the affected areas, how long lesions last and what they stop you doing, and take that to your appointment.

## Article

## Quick orientation

Hidradenitis suppurativa symptoms involve more than a list of individual
skin changes. What matters is the combination of:

1. type of lesion,
2. body site,
3. recurrence or chronic course,
4. burden from pain, drainage, restricted movement or embarrassment.

## The symptom pattern matters

Hidradenitis suppurativa is not defined by a single symptom. What matters is the combination of typical lesions, typical body sites and recurrence.

## Symptoms that are frequently reported

### Deep painful nodules

They often sit deeper than a superficial pimple and can cause pressure, throbbing or strong tenderness on touch.

### Abscesses and weeping lesions

Inflamed lesions can open and release discharge. This can significantly affect wound care, clothing, concerns about odour and everyday life. An HS abscess is an inflammatory lesion and does not automatically mean the area is bacterially infected. Secondary infection can occur, particularly when the skin barrier is disrupted, but this requires separate clinical assessment. [HS odor and drainage](/en/blog/hs-odor-drainage/) covers why draining lesions can smell and what that odor does and doesn't indicate.

### Sinus tracts or tunnels

With longer-standing disease, channels can form under the skin that connect inflamed areas or repeatedly weep.

### Scars and hardened areas

Recurrent inflammation can leave behind scar tissue, cord-like indurations or restricted movement.

### Pain and loss of function

Pain is commonly reported as a central symptom. In the armpits, lifting the arm can become difficult; in the groin or buttocks, walking and sitting can be a burden. The intensity and impact of symptoms vary considerably between individuals.

## Describing symptoms over time

A single finding on one particular day can shorten the story.
For the medical assessment, it is therefore helpful to describe symptoms
over time:

| Observation | Question for your own notes |
| --- | --- |
| Nodule or abscess | Is the area deep and painful? |
| Drainage | Does the area open up or weep repeatedly? |
| Scar or induration | Does a change remain after a flare? |
| Daily life | Does sitting, walking, lifting the arm, sleep or clothing become harder? |

This makes it visible whether you are dealing with a single skin inflammation or a
recurrent pattern that should be discussed specifically.

## Where symptoms call for particular attention

Typical regions are the [armpits](/en/blog/hidradenitis-suppurativa-armpits/), [groin](/en/blog/hidradenitis-suppurativa-groin/), genital and perineal area, [buttocks](/en/blog/hidradenitis-suppurativa-buttocks/) and skin folds under the breasts. Other sites are possible. However, location alone does not determine the diagnosis.

## What you should describe when reporting symptoms

A good description includes:

- where the lesions appear,
- how often they recur,
- whether they are painful, open up or weep,
- whether scars or tracts remain,
- how much daily life and sleep are affected.

This helps turn individual complaints into a clinically relevant pattern.

## What is often underestimated

Drainage, concerns about odour, questions about dressings, embarrassment and pain are not
side issues. They can determine whether someone is able to work, sleep, move
or even show intimate complaints at all. So don't just say
how big a spot is, but also what it changes in daily life.

## What symptoms do not automatically mean

Not every nodule in the groin and not every wound on the buttocks is HS. Depending on the site and course, other causes can come into play. That is no reason to play down complaints. It is the reason to have them assessed professionally.

## When you should take action

Recurrent painful lesions in typical regions belong in a dermatological consultation. In case of fever, rapid worsening, strongly increasing redness or very severe pain, prompt medical help is needed.

## FAQ

### Which symptom proves hidradenitis suppurativa?

No single symptom proves HS. The medical assessment combines typical lesions, typical body sites and a recurrent or chronic course.

### Is pain part of hidradenitis suppurativa symptoms?

Yes. Pain can be very distressing with inflammatory nodules, abscesses, open lesions or scarred areas and should be described specifically during the appointment.

### Are sinus tracts always visible early on?

No. Sinus tracts and scars can develop over time and may not yet be clearly visible when symptoms first appear.

## References

1. S2k Guideline for the Treatment of Hidradenitis Suppurativa / Acne Inversa - AWMF, 2024 - https://register.awmf.org/assets/guidelines/013-012l_S2k_Therapie-Hidradenitis-suppurativa-Acne-inversa_2024-08.pdf
2. Hidradenitis Suppurativa - U.S. Food and Drug Administration, 2024 - https://www.fda.gov/consumers/health-education-resources/hidradenitis-suppurativa
3. North American clinical management guidelines for hidradenitis suppurativa, Part I - Journal of the American Academy of Dermatology, 2019 - https://pubmed.ncbi.nlm.nih.gov/30872156/
4. Hidradenitis suppurativa - Nature Reviews Disease Primers, 2020 - https://pubmed.ncbi.nlm.nih.gov/32165620/