Definition of "digoxin" [di•gox•in]

• A cardiac glycoside, C41H64O14, obtained from the leaves of a foxglove, Digitalis lanata, with pharmacological effects similar to digitalis. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The baby is sometimes "euthanized" with a drug medicine known as digoxin or digitalis."
• "Charles Cullen, the male nurse at these hospitals, usually using digoxin, which is a heart medication, just adding that to I.V. drips."
• "For example, grapefruit juice can reduce the absorption of the allergy medication fexofenadine (Allegra); digoxin, which is used to treat congestive heart failure; losartan (Cozaar), used to control blood pressure; and the anticancer drug vinblastine."