According to a new American Academy of Pediatrics report published in the journal, Pediatrics, probiotics taken early during diarrhea from a viral infection may shorten the illness in otherwise healthy children. And probiotics also may prevent diarrhea in children who are taking antibiotics, which can sometimes cause the condition. However, children with compromised immune systems or who use intravenous catheters should not receive probiotics because serious infections have been reported.http://www.cbc.ca/cp/health/TL78974.html