Editing Diarrhea (section)

===Alternative therapies===
Zinc supplementation may benefit children over six months old with diarrhea in areas with high rates of malnourishment or zinc deficiency.<ref>{{cite journal | vauthors = Lazzerini M, Wanzira H | title = Oral zinc for treating diarrhoea in children | journal = The Cochrane Database of Systematic Reviews | volume = 12 | issue = 12 | pages = CD005436 | date = December 2016 | pmid = 27996088 | pmc = 5450879 | doi = 10.1002/14651858.CD005436.pub5 }}</ref> This supports the World Health Organization guidelines for zinc, but not in the very young.

A Cochrane Review from 2020 concludes that [[probiotic]]s make little or no difference to people who have diarrhea lasting 2 days or longer and that there is no proof that they reduce its duration.<ref name="pmid33295643">{{cite journal | vauthors = Collinson S, Deans A, Padua-Zamora A, Gregorio GV, Li C, Dans LF, Allen SJ | title = Probiotics for treating acute infectious diarrhoea | journal = The Cochrane Database of Systematic Reviews | volume = 2020 | issue = 12| pages = CD003048 | date = December 2020 | pmid = 33295643 | pmc = 8166250 | doi = 10.1002/14651858.CD003048.pub4 }}</ref> The [[probiotic]] [[lactobacillus]] can help prevent [[antibiotic-associated diarrhea]] in adults but possibly not children.<ref>{{cite journal | vauthors = Kale-Pradhan PB, Jassal HK, Wilhelm SM | title = Role of Lactobacillus in the prevention of antibiotic-associated diarrhea: a meta-analysis | journal = Pharmacotherapy | volume = 30 | issue = 2 | pages = 119–26 | date = February 2010 | pmid = 20099986 | doi = 10.1592/phco.30.2.119 | s2cid = 21836205 }}</ref> For those with [[lactose intolerance]], taking digestive [[enzyme]]s containing [[lactase]] when consuming dairy products often improves symptoms.