Letters to Veterinary Professionals

These pages contain safety information on products regulated by the FDA Center for Veterinary Medicine (CVM).

“Dear Veterinarian” Letters

• “Approved by FDA” is Mandatory on Labeling for Approved Animal Drugs – A Helpful Way for Veterinarians to Know if an Animal Drug is FDA-Approved
• Dear Veterinarian Letter advising veterinarians to use Bimasone (flumethasone injectable solution) instead of unapproved drugs in their patients
• Veterinarian-Client-Patient Relationships, Prescribing/Dispensing Animal Drugs and Telemedicine

Animal Cell-Based Products

• FDA issues letter to veterinarians on the development & use of animal cells, tissues, and cell- and tissue-based products (ACTPs)

Cats

• Dear Veterinarian Letter regarding important safety conditions associated with the use of Senvelgo (velagliflozin oral solution) for improving glycemic control in certain cats with diabetes mellitus
• Dear Veterinarian Letter advising veterinarians of important safety conditions associated with the use of Bexacat (bexagliflozin tablets) for improving glycemic control in certain cats with diabetes mellitus

Cattle

• FDA Clarifies Use of Tylosin Phosphate in Beef Cattle
• Dear Veterinarian Letter regarding use of aspirin products in lactating dairy cattle

Dogs

• Dear Veterinarian Letter regarding adverse events associated with extra-label use of fenbendazole in dogs
• Dear Veterinarian Letter regarding important safety information associated with the use of Zenrelia (ilunocitinib tablets) for controlling pruritus associated with allergic dermatitis and atopic dermatitis in dogs
• Dear Veterinarian Letter advising veterinarians to use Vetmedin Solution (pimobendan oral solution) instead of unapproved drugs in their patients

Swine

• FDA Announces Voluntary Withdrawal of Fenbendazole and Lincomycin Combination for use in Swine to Veterinarians, Feed Manufacturers, and Pork Producers

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Dear Pharmacy Professional Letters

• Dear Pharmacy Professional Letter advising pharmacies to dispense Bimasone (flumethasone injection) instead of unapproved drugs for animal patients
• Dear Pharmacy Professional Letter advising pharmacies to dispense Vetmedin Solution (pimobendan oral solution) instead of unapproved drugs for animal patients

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 "Dear Aquaculture Professional" Letters

• FDA-approved fish drugs

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Letters to Veterinary Schools

• FDA letter to universities on the development of animal cells, tissues, and cell- and tissue-based products (ACTPs)
• FDA’s Letter to Veterinary Schools regarding Animal Cell-Based Products

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Older letters can be accessed through the FDA Archive.