Toxicodendron radicans, commonly known as eastern poison ivy or poison ivy, is a poisonous Asian and North American flowering plant that is well known for causing an itching, irritating, and sometimes painful rash in most people who touch it, caused by urushiol, a clear liquid compound in the plant's sap.
Boil: Introduction. A boil is a large infection of a hair follicle, the tiny opening in the skin from which a hair grows. Boils are due to an invasion of bacteria that enter the follicle and cause a bacterial infection of the follicle and nearby skin. Boils are also called skin abscesses or furuncles.
Boils are usually caused by usually caused by the bacteria Staphylococcus aureus. This is one of 30 kinds of Staphylococcus better known simply as âstaph.â Other bacteria or fungi found on the skinâs surface can also cause boils, but staph is the most common cause. (3) A boil or furuncle is a type of abscess.