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  1. What Is Hidradenitis Suppurativa, and How Is It Treated? - WebMD

    Sep 14, 2025 · Hidradenitis suppurativa (HS) is a long-lasting skin condition that causes painful, inflamed lumps, cysts, and skin tunnels — often near your sweat glands. HS is likely caused …

  2. Hidradenitis suppurativa - Symptoms and causes - Mayo Clinic

    Mar 21, 2025 · Hidradenitis suppurativa (hi-drad-uh-NIE-tis sup-yoo-ruh-TIE-vuh), also known as acne inversa, is a condition that causes small, painful lumps to form under the skin. The lumps …

  3. Everything You Should Know About Hidradenitis Suppurativa

    May 12, 2025 · Hidradenitis suppurativa is painful, chronic, and may resemble boils. Discover causes and risk factors, what it's like to live with HS, and more.

  4. Hidradenitis suppurativa - Wikipedia

    Hidradenitis suppurativa can take the form of growths on the skin that are extremely painful and debilitating.

  5. Hidradenitis Suppurativa Symptoms & Risk Factors | NIAMS

    Hidradenitis suppurativa, also known as HS and less commonly as acne inversa, is a chronic, noncontagious, inflammatory condition characterized by painful bumps or boils and tunnels in …

  6. Hidradenitis Suppurativa (Acne Inversa): Symptoms & Treatments

    Dec 20, 2022 · Hidradenitis suppurativa (HS) is an autoinflammatory condition that attacks hair follicles, causing painful recurring abscesses in sweaty areas of your body. There isn’t a cure …

  7. Hidradenitis suppurativa: Diagnosis and treatment

    Hidradenitis suppurativa can look like other skin conditions, including acne, boils, or herpes. Dermatologists have the training needed to spot the differences between these conditions. …

  8. What is HS?

    Put plainly, HS (Hidradenitis Suppurativa) is an immune disease that causes red lumps and boils, primarily in the folds of your skin. Usually that means your armpits, groin, stomach, and/or …

  9. Harmonized System (HS) Code Lookup | USPS

    Use the USPS Harmonized System (HS) Code Lookup Tool to get the HS Codes required for all items in international packages. Just type a detailed item description.

  10. Hidradenitis Suppurativa (Acne Inversa): A Complete Picture

    Hidradenitis suppurativa (HS) is a chronic inflammatory skin disorder that affects apocrine gland-bearing skin, typically the axillae, groin, perianal region, buttocks, and inframammary folds.