Cephulac Full prescribing information from RxList. http://www.rxlist.com/cgi/generic2/lactulose.htm
Kristalose Includes manufacturer's prescribing details, package insert, and contact information. http://www.kristalose.com
Lactulose - Familydoctor.org Information for patients in English and Spanish. http://familydoctor.org/cgi-bin/multum.pl?op=GetLeaflet&id=12617&name=lactulose
