Prohibited substances

Find out about veterinary medicines that have restrictions on their use in New Zealand.


Restricted Veterinary Medicines

Our major overseas trading partners have banned the substances listed below. In consequence, these substances may not be used at any time during the life of an animal from which any product may be taken and exported from New Zealand for human consumption.

  • All compounds of the nitrofuran class of compound, including but not limited to nitrofurazone, furaltadone, ninhydrazone, furazolidone
  • All compounds that exert a thyreostatic action: methyl thiouracil, phenyl thiouracil, propyl thiouracil 
  • Beta sympathomimetic agents: cimetarol, salbutamol
  • All compounds of the nitroimidazole class of compound, including but not limited to metronidazole or ronidazole
  • Arsenilic acid
  • Chloramphenicol
  • Chloroform
  • Chlorpromazine
  • Colchichine
  • Dapsone
  • Nandrolone (as depot formulations, growth promotants, and/or with witholding periods in excess of 15 days)
  • Phenylbutazone
  • Stanozolol (as depot formulations, growth promotants, and/or with witholding periods in excess of 15 days).
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