If your dog suffers from uncontrolled vomiting, your veterinarian might prescribe ondansetron, marketed under the brand name Zofran, to stop his incessant throwing up. One of the strongest antiemetics on the market, Zofran is used to prevent vomiting in people and canines undergoing chemotherapy treatment for cancer. While the U.S. Food and Drug Administration has not approved Zofran for veterinary use, your vet can prescribe it as an "extra-label" medication.
In addition to its efficacy as an antiemetic, Zofran is also prescribed for bulldogs and other brachycephalic or "short-nosed" breeds diagnosed with sleep apnea. Dogs with liver disease should not receive Zofran. Canines with collie ancestry might experience severe allergic reactions, so they should not receive the drug. Given at the prescribed dose, Zofran has relatively few side effects, although it can cause constipation. It's available in injectable, oral and gel formulations. Always consult an experienced vet regarding the health and treatment of your pet.
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