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.
The Manchineel tree, native to the Western Hemisphere, is known as the most poisonous tree in the world. In places where it grows â Florida, the Caribbean and the Bahamas â the manchineel is often marked with a red band to warn passersby not to get too near it.The tree is poisonous on so many levels that if you ever spot one, it is better you stay at least a few yards away from it.t was supposedly named â manzanita de la muerte â (little apple of death) by Christopher Columbus. But it might just be the least dangerous part of the tree. The manchineelâs milky white sap is incredibly caustic and poisonous as well â even a drop could cause skin blisters, dermatitis, swelling or burns.