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 generally caused by an infection of the hair follicles by Staphylococcus aureus or staph. Staphylococcus bacteria are often found in the nose and throat. The bacteria can also be transmitted via contact with an infected person or an infected article, such as a washcloth or towel.ommon causes and risk factors of Boils: 1  An infection of the hair follicles by Staphylococcus aureus or staph. 2  Diseases, such as hypogammaglobulinemia. 3  Poor hygiene or malnutrition.