Boils are painful, pus-filled, and are caused by infections like Staphylococcus aureus. Cysts are painless, non-infectious growths filled with keratin or other substances. Antibiotics may treat boils ...

People with hidradenitis suppurativa sometimes receive misdiagnosis for other conditions, including folliculitis and acne. A dermatologist can make an accurate diagnosis. Hidradenitis suppurativa (HS) ...

Ovarian cysts are usually not painful and will go away on their own. However, if a cyst is growing or you have multiple cysts you may have symptoms and need surgery. A ruptured cyst can cause severe ...