Veterinary Compounding Pharmacy Networks in the United States
Veterinary compounding pharmacies prepare customized medications that are not commercially available or need to be modified for individual animal patients. The U.S. market for animal drug compounding was valued at approximately $1.3 billion in 2024 and continues to grow as demand for specialized veterinary care increases.
Why Veterinary Clinics Need Compounding Pharmacies
Standard pharmaceutical manufacturers produce medications in fixed dosages and formulations designed primarily for humans or common animal sizes. Compounding pharmacies fill critical gaps:
- Discontinued medications — When a manufacturer stops producing a drug, compounders can recreate it
- Species-specific formulations — Cats, birds, reptiles, and exotic animals often need dosage forms that do not exist commercially
- Flavor customization — Flavored chews, liquids, and transdermal gels improve medication compliance
- Dose adjustments — Neonatal or very small patients require micro-dosing not available off the shelf
Accreditation and Quality Standards
The Pharmacy Compounding Accreditation Board (PCAB), now administered by ACHC, sets the gold standard for compounding pharmacy quality. PCAB-accredited pharmacies undergo rigorous review of their processes, facilities, and quality assurance protocols. Additionally, pharmacies must comply with USP <795> and USP <797> standards for non-sterile and sterile compounding respectively.
The FDA regulates veterinary compounding under its Compliance Policy Guide (CPG) 608.400, which permits state-licensed pharmacies to compound animal drugs from bulk substances under specific conditions.
Market Landscape
| Category | Details |
|---|---|
| Estimated pharmacies filling vet compounds | ~7,500 (dedicated vet-focused) |
| FDA-registered 503B outsourcing facilities | ~70 with veterinary lines |
| Common dosage forms | Oral liquids, flavored chews, transdermal gels, capsules, injectables |
| Top species served | Dogs, cats, horses, exotics, zoo animals |
Key Players
Wedgewood Pharmacy, founded in 1981 and headquartered in Swedesboro, NJ, is the largest veterinary-exclusive compounding pharmacy in the U.S. They operate multiple facilities including a new state-of-the-art pharmacy in Chandler, Arizona. Mixlab, founded in 2017 in New York, has rapidly expanded through acquisitions including The Pet Apothecary and SBH's veterinary business, and operates PCAB-accredited facilities across multiple states. Covetrus partners with Epicur Pharma, an FDA-registered 503B outsourcing facility, to serve veterinary practices in 49 states.