
Boils and carbuncles - Symptoms & causes - Mayo Clinic
Sep 18, 2021 · A boil is a painful, pus-filled bump that forms under your skin when bacteria infect and inflame one or more of your hair follicles. A carbuncle is a cluster of boils that form a …
Boils and carbuncles - Diagnosis & treatment - Mayo Clinic
Sep 18, 2021 · Learn about symptoms, causes, treatment and prevention of these painful pus-filled infections that cause bumps under your skin or leaking sores.
Staph infections - Symptoms & causes - Mayo Clinic
Dec 16, 2025 · Toxins made by some strains of staph bacteria cause the body's immune system to overreact. This life-threatening condition has been linked to certain types of tampons, skin …
Folliculitis - Symptoms & causes - Mayo Clinic
Aug 31, 2022 · Make an appointment with your health care provider if your condition is widespread or the symptoms don't go away after a week or two of self-care measures. You …
Are there home remedies for boils? - Mayo Clinic News Network
Nov 15, 2017 · Boils can occur anywhere on your skin, but appear mainly on your face, neck, armpits, buttocks or thighs — hair-bearing areas where you're most likely to sweat or …
MRSA infection - Symptoms & causes - Mayo Clinic
Dec 22, 2025 · MRSA that you get during or after being in a healthcare setting can be life-threatening. MRSA infections that happen in the wider community usually spread by skin-to …
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 …
Tooth abscess - Symptoms & causes - Mayo Clinic
Jun 29, 2022 · You might even develop sepsis — a life-threatening infection that spreads throughout your body. If you have a weakened immune system and you leave a tooth abscess …
Stye (sty) - Symptoms & causes - Mayo Clinic
Sep 20, 2025 · A stye is a painful lump near the edge of the eyelid that may look like a boil or a pimple. Styes are often caused by bacterial infections and may be filled with pus.
Swollen lymph nodes - Symptoms & causes - Mayo Clinic
Apr 25, 2025 · The lymph nodes play a vital role in the body's ability to fight off infections. Common areas for swollen lymph nodes include the neck, under the chin, in the armpits and in …