Livestock Drug Program

The Livestock Drug Program regulates over-the-counter livestock drugs. A program Registration Specialist reviews the livestock drugs for safety and efficacy. Particularly, livestock drugs intended for food production animals should be used in a way as not to cause a drug residue in food products derived from these animals. Fees are collected for licensing and registration to fund this program. Federal prescription drugs are exempt from registration.

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Restricted Livestock Drugs and California Prescription Drugs

Certain antimicrobial restricted livestock drugs changed status on January 1, 2018 to require a prescription for purchase and use in California. CDFA has published final regulations clarifying new retailer requirements to sell restricted livestock drugs, including products that now require a prescription in California. Pursuant to the new regulations, these products are now defined as California prescription drugs. The adopted regulation text and final statement of reasons can be found at: /is/Regulations.

Please reference the documents below for more information about important changes to how these products can be sold. Additional resources will be posted as they become available.

For more information about medically important antimicrobial drugs, please visit the Antimicrobial Use and Stewardship website.

New! Livestock Drug Qualified Individual Training

Now Live! The Livestock Drug Qualified Individual Training is online! Click the link to enroll!

The Antimicrobial Use and Stewardship (AUS) program has developed the Livestock Drug Qualified Individual (QI) training into an online course for interested participants. Please use the above link to register. Once you have completed the registration process it may take up to two weeks to receive the confirmation of enrollment email containing your login credentials.

The program will continue making improvements with next steps being to create a version that is available in Spanish.

If you have any questions or would like to be emailed any updates, please contact us at

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