Medically reviewed by Doru Paul, MD Skin boils are a common condition caused by an infected hair follicle. A skin boil, also known as a furuncle, presents as a swollen and painful red bump. If ...

These ingrown hairs often lead to irritation and ... Fever, chills, or red streaks radiating from the boil may indicate spreading infection requiring immediate evaluation. Recurrent boils might ...

Once your toenail breaks the skin, bacteria starts to form, the area will start to swell, and you could develop a serious fungal or bacterial infection. If it goes untreated, an ingrown toenail ...