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.
You might be experiencing a skin disorder called a boil. In most cases, the main cause of boils is an infected hair follicles. Bacteriaâcommonly the Staphâhas a significant role in causing the infection. Under the skin, these bacteria form a sack of pus we refer as an abscess. This sack may grow larger, causing the boil to be more noticeable.