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# Draft Guide on Elemental Impurities in Animal Drugs
- URL: https://www.fdaweb.com/draft-guide-on-elemental-impurities-in-animal-drugs/
- Published: 2018-03-27T12:00:00.000Z
- Updated: 2026-09-14T23:55:25.000Z
- Author: David McFarland
- Tags: FDA Policy/General, #legacy-id-D5141074

*Federal Register* notice: FDA has made available a draft guidance entitled “Elemental Impurities in Animal Drug Products — Questions and Answers.” The document is intended to assist sponsors in addressing changes in *United States Pharmacopeia* requirements for controlling elemental impurities in drug products. It includes recommendations on all dosage forms and routes of administration. To view the notice, click [here](https://www.gpo.gov/fdsys/pkg/FR-2018-03-27/pdf/2018-06061.pdf?ref=fdaweb.com).