What is "lubiprostone"

n. (context medicine English) A medication used to treat idiopathic chronic constipation

Lubiprostone ( rINN, marketed under the trade name Amitiza among others) is a medication used in the management of chronic idiopathic constipation, predominantly irritable bowel syndrome-associated constipation in women and opioid-induced constipation.

It was initially approved by the U.S. Food and Drug Administration (FDA) in 2006. It is very expensive as of 2012.