Editing Diarrhea (section)

===Secretory===
Secretory diarrhea means that there is an increase in the active secretion, or there is an inhibition of absorption. There is little to no structural damage. The most common cause of this type of diarrhea is a [[cholera toxin]] that stimulates the secretion of [[anion]]s, especially [[chloride]] ions (Cl<sup>–</sup>). Therefore, to maintain a charge balance in the [[gastrointestinal tract]], sodium (Na<sup>+</sup>) is carried with it, along with water. In this type of diarrhea intestinal fluid secretion is [[Tonicity#3|isotonic]] with plasma even during fasting.<ref name="webmd.com">{{cite web |url=http://www.webmd.com/digestive-disorders/digestive-diseases-diarrhea |title=The Basics of Diarrhea |publisher=Webmd.com |date=17 February 2011 |access-date=9 March 2011 |url-status=live |archive-url=https://web.archive.org/web/20110311010926/http://www.webmd.com/digestive-disorders/digestive-diseases-diarrhea |archive-date=11 March 2011 }}</ref><ref name="MoonZhang2015"/> It continues even when there is no oral food intake.