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.
what causes boils on the skin. A boil is also known as furuncle, is a painful and pus filled bump that develops deep into the skin. It results from an infection of the hair follicle by bacterium staphylococcus aureus. Two or more hair follicles can get infected resulting to a cluster of boils within the same area known as carbuncles. This skin condition can affect any part of your body but it is common on the face, thighs, buttocks, legs and back.