A quinolone anticoccidial which is nontoxic but subject to a high rate of development of resistant coccidia.
Decoquinate is an anticoccidial drug approved for use in some livestock species, but it is not recommended for use in horses. Horses have different metabolic processes and sensitivities compared to other animals, so it is important to consult with a veterinarian before administering any medication.
No. "Although not approved for use in dogs, decoquinate has proven safe in dogs at both high doses and prolonged administration." page 87 Arthropod-borne Infectious Diseases of the Dog and CatBy Susan E. Shaw, Michael J. Day