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 Veterinary pharmaceuticals have a significant role in animal and human health, therefore, production monitoring and quality control of these pharmaceuticals are of special importance. This work presents an overview on veterinary drug residues in food products and the environment and also discusses the main topics of the guidelines of veterinary pharmaceuticals production, quality control, and usage. This review is composed of more than 100 references and reports the findings of 44 studies conducted on drugs residuals of veterinary food products produced in Iran.