Rifadin - Full prescribing information from RxList. - http://www.rxlist.com/cgi/generic2/rifampin.htm
DrugDigest: Rifampin ( Rifadin, Rimactane ) - Information on dosage, usage, side effects, interactions, and drug comparisons, including generics when available. - http://www.drugdigest.org/DD/DVH/Uses/0,3915,593%7CRifampin,00.html