Excenel
Excenel is a brand-name veterinary antibiotic containing cefazolin sodium, a first-generation cephalosporin. It is specifically formulated for use in cattle and swine to treat bacterial infections caused by susceptible organisms. This medication is administered by injection and is commonly prescribed for respiratory infections, metritis, and mastitis in livestock.
Excenel is a veterinary cephalosporin antibiotic used to treat bacterial infections in cattle and pigs.
Key facts at a glance
- RxNorm
- 1356512
- Generic
- Excenel
- Class
- brand-name
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Treats respiratory tract infections, metritis, and mastitis in cattle; also used for susceptible bacterial infections in swine. Often prescribed for bovine respiratory disease complex (BRDC) and postpartum uterine infections.
As a first-generation cephalosporin, Excenel inhibits bacterial cell wall synthesis by binding to penicillin-binding proteins, leading to bacterial cell death. It is effective against gram-positive bacteria and some gram-negative organisms.
For veterinary use only in cattle and swine. Milk and meat withdrawal times apply and must be followed according to veterinary instructions. Caution is needed in animals with known penicillin or cephalosporin sensitivity. Proper injection site rotation and aseptic technique are recommended during administration.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed July 26, 2026. · Read our editorial policy