Zantac - Product information for US residents in PDF format. [Acrobat Reader required] - http://www.gsk.com/products/prescription_medicines/us/zantac.htm
DrugDigest: Ranitidine ( Zantac ) - Information on dosage, usage, side effects, interactions, and drug comparisons, including generics when available. - http://www.drugdigest.org/DD/DVH/Uses/0,3915,588%7CRanitidine%2Boral,00.html
Tritec - Ranitidine bismuth citrate. Product information for US residents in PDF format. [Acrobat Reader required] - http://www.glaxowellcome.com/pi/tritec.pdf
Zantac75.com - A dynamic gathering place where medical professionals can obtain information about heartburn and digestive health. - http://www.zantac75.com/
Ranitidine - Information from the RxList. - http://www.rxlist.com/cgi/generic/ranit.htm