Hidradenitis Suppurativa on the Buttocks Canonical URL: https://acneinversa.life/en/blog/acne-inversa-am-po/ Markdown URL: https://acneinversa.life/en/blog/acne-inversa-am-po.md Plain text URL: https://acneinversa.life/en/blog/acne-inversa-am-po.txt Language: en Category: Diagnosis Published: 2026-05-21 Last updated: 2026-05-21 Author: Dr. rer. nat. Dennis Alexander Kwiatkowski (Biochemist, Scientific Writer and Pharma Expert) Tags: Acne Inversa, Hidradenitis Suppurativa, HS, Diagnosis, buttocks, hidradenitis suppurativa, acne inversa, symptoms Symptoms on the buttocks can significantly affect daily life and sitting. This article explains when recurring nodules or abscesses may fit with hidradenitis suppurativa and why differentiation is important. 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. Article Why the buttocks need their own assessment Hidradenitis suppurativa can affect the buttocks and perianal region. There, the location alone makes symptoms particularly disruptive to daily life: sitting, pressure, movement and wound care quickly become difficult. At the same time, differentiation is important. Symptoms on the buttocks or around the anus can have various causes. For perianal involvement, the German guideline explicitly names other conditions that need to be considered medically. What may fit with HS Things to watch for include: - recurring deep painful nodules or abscesses, - open weeping areas or scars, - symptoms in several typical HS regions, - a recurring course at the same area of the buttocks. The description should clearly state whether it involves the skin of the buttocks, the gluteal cleft, the perianal area or several regions at once. An overview of what to look for with hidradenitis suppurativa symptoms (/en/blog/acne-inversa-symptome-worauf-achten/) can help sort your own observations. Sitting amplifies symptoms in everyday life When pressure causes pain, a skin area becomes a problem for work, travel and sleep. At your appointment, state specifically whether sitting is only possible briefly, whether movement makes things better or worse, and whether the site repeatedly breaks open. Why self-diagnosis is particularly unwise here In this region in particular, a thorough examination can be decisive. This applies with severe pain, fever, rapid deterioration, bleeding or symptoms in the immediate anal region. Symptoms that radiate into neighbouring regions can often be more easily classified when hidradenitis suppurativa in the genital area (/en/blog/acne-inversa-im-intimbereich/) is also considered. The question is not whether you "correctly" name your symptoms. The question is whether the treatment team has full knowledge of the location and course. A brief introduction to what hidradenitis suppurativa actually is (/en/blog/acne-inversa-einfach-erklaert/) can help prepare for the conversation. What you can bring with you A concise overview of recurrence, affected sites, pain when sitting, discharge and previous scars makes the assessment more focused. FAQ Can hidradenitis suppurativa occur on the buttocks? Yes. The buttocks, gluteal cleft and the area around the anus are among the sites where hidradenitis suppurativa can occur. Recurring deep nodules, abscesses, weeping areas or scars in this region may fit the clinical picture, but must be medically distinguished from other causes. Why does sitting hurt so much with HS on the buttocks? Pressure on inflamed nodules, abscesses or scarred areas intensifies pain and can cause lesions to break open again. Friction from clothing and prolonged sitting in daily life, in the car or at work can add to the burden. When should I have buttock symptoms medically assessed? With recurring painful nodules or abscesses, open weeping areas, fever, rapid deterioration, bleeding or symptoms in the immediate anal region, a medical examination is important. Self-diagnosis is particularly unreliable in this region. How does HS on the buttocks differ from other causes? Other conditions in the perianal region can look similar. Reliable differentiation is only possible through medical examination. A recurring course at the same site, involvement of several typical HS regions and scar formation are clues that can aid classification. References 1. S2k Guideline for the Therapy 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