DrugDigest: Lisinopril ( Prinivil, Zestril ) - Information on dosage, usage, side effects, interactions, and drug comparisons, including generics when available. - http://www.drugdigest.org/DD/DVH/Uses/0,3915,390%7CLisinopril,00.html
Lisinopril - Information from the RxList. - http://www.rxlist.com/cgi/generic/lisinop.htm
Lisinopril/HCTZ - Information from the RxList. - http://www.rxlist.com/cgi/generic/zestoretic.htm