Extra Label Drug Use or off label usage

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Well-known member
Oct 31, 2006
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Alberta, Canada
I thought I would post this link where you can find some info about ELDU..Please click on the following link proved for more info. especially those that are new to livestock.

http://www.hc-sc.gc.ca/dhp-mps/vet/labe ... ex-eng.php

ELDU, also referred to as "off-label use", refers to the use or intended use of a drug approved by Health Canada in an animal in a manner not in accordance with the label or package insert. It also includes the use of all unapproved drugs, including unapproved bulk active pharmaceutical ingredients (APIs) and compounded drugs.

The practice of ELDU in Animals in Canada is not confined to veterinarians and may be performed by multiple users including intermediate health professionals (e.g., pharmacists, animal health technicians, etc.) and laypersons (e.g., animal owners, livestock producers, etc.). VDD acknowledges that ELDU is an important tool in the practice of veterinary medicine. Decisions to use ELDU may include a potential lack of efficacy of approved products, lack of approved products to address specific needs and economic considerations.

There are possible human health risks relating to ELDU in animals including:

Development of antimicrobial resistance (AMR);
Presence of drug residues in foods derived from treated animals and in the environment.
Health Canada established an ELDU Advisory Committee to provide expert advice and guidance on the issue of ELDU in animals in Canada. For more information on ELDU please see the Facts About Drug Use in Animals and Questions and Answers - Health Canada's Veterinary Drugs Directorate's (VDD's) Study To Assess Drug Use in Animals in Canada

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