Summaries for cancer drug combinations are listed by abbreviation or common name and are shown in capital letters. Each summary gives a list of the drugs that make up the combination and explains what the combination is used for. It also has links to summaries for individual drugs in the combination. A.
1 Also present are ricinine, an alkaloid, and an irritant oil. 2  According to the 2007 edition of the Guinness Book of World Records, the castor oil plant is the most poisonous in the world, though its cousin abrin, found in the seeds of the jequirity plant, is arguably more lethal. One of the most toxic plants found in the Western hemisphere, all parts of the plant contain tropane alkaloids. 2  The active agents are atropine, hyoscine (scopolamine), and hyoscyamine, which have anticholinergic properties.
With its fern-like green leaves and slight stature, poison sumac (Toxicodendron vernix) is an innocuous-looking deciduous shrub or small tree that can cause serious skin irritation if touched.