The agency said in its letter that Zila's promotion claimed that the effect of Peridex could last up to 12 hours and kill up to 97% of bacteria. "These claims as to the effectiveness of Peridex in the ...
WASHINGTON, April 22 (Reuters) - The U.S. Food and Drug Administration has warned Zila Pharmaceuticals Inc about promoting its Peridex oral rinse without including information about possible risks, ...