Norfloxacin is contra-indicated in patients who are hypersensitive to any of the ingredients or any chemically related quinolone antibacterials.The product should not be used paints with a creatinine clearance of less than 30ML per minute.
Norfloxacin should not be used in children and adolessents up to the age of 18 because fiuoroquinolones caused lameness in immature dogs due to permanent lesions of the cartilage of weight bearing joints. This medication and other related quinolones have been reported to cause arthropathyhe in immature animals various species.