Library

Horses + Medications

  • Ketoprofen is given by mouth or injection and is used on and off label to treat pain and inflammation in many animal species. Give this medication as directed by your veterinarian. Common side effects include gastrointestinal upset such as vomiting, diarrhea, and lack of appetite. Do not use in pets that are allergic to it or other NSAIDS, in horses used for breeding, or in pets using other NSAIDs. If a negative reaction occurs, please call your veterinary office.

  • Levetiracetam is given by mouth or injection and is used off label to treat seizures and epilepsy. Give as directed by your veterinarian. Common side effects include sleepiness and incoordination in dogs and decreased appetite, incoordination, drooling, and sleepiness in cats. Do not use levetiracetam in pets that are allergic to it. If a negative reaction occurs, please call your veterinary office.

  • Medroxyprogesterone acetate is given by mouth or injection and is used off label to treat reproductive conditions, sexual behaviors, and certain types of dwarfism and alopecia. Give this medication as directed by your veterinarian. Common side effects include increased appetite, increased thirst, weight gain, sleepiness, or changes in personality. Do not use in pets that are allergic to it, pets with diabetes or uterine bleeding, or prior to puberty, during pregnancy, 1-2 months after a heat cycle, or to treat false-pregnancy. If a negative reaction occurs, please call your veterinary office.

  • Melatonin is given by mouth or as an implant under the skin and is used to treat sleep and behavior disorders, adrenal disease, and non-allergic hair loss, to suppress the heat cycle, and to improve breeding rates. Give as directed. Side effects are not common but may include sleepiness. Do not use in pets that are allergic to it. If a negative reaction occurs, please call your veterinary office.

  • Methocarbamol is given by mouth or injection and is used on and off label to treat muscle spasms due to injury, inflammation, or certain toxicities. Give as directed by your veterinarian. The most common side effect includes sleepiness. Do not use methocarbamol in pets that are allergic to it. If a negative reaction occurs, please call your veterinary office.

  • Methylprednisolone is given by mouth or injection and is used on and off label to treat inflammatory, immune-mediated, or hormonal conditions. Common side effects include increased drinking, urination, and appetite, dull/dry haircoat, and/or weight gain. Do not use in pets that are allergic to it, receiving NSAIDs, that are recovering from a recent surgery, or in pets with systemic fungal or viral infections, diabetes, Cushing’s disease, stomach or intestinal ulcers. If a negative reaction occurs, please call your veterinary office.

  • Orbifloxacin is given by mouth and is used on and off label to treat certain susceptible bacterial infections. Give as directed by your veterinarian. The most common side effects include vomiting, diarrhea, and lack of appetite. Do not use in pets that are allergic to it or other quinolones, in growing pets, or in conjunction with cyclosporine. If a negative reaction occurs, please call your veterinary office.

  • Pentoxifylline is given by mouth and is used off label to treat skin disorders and poor perfusion due to inflamed blood vessels. Give as directed. Common side effects include vomiting, diarrhea, lack of appetite, excitement, or restlessness. Do not use in pets that are allergic to it, allergic to xanthines, or in pets with bleeding in the brain or eye. If a negative reaction occurs, please call your veterinary office.

  • Phenobarbital is used off label and given by mouth or as an injection to treat seizures or to sedate your pet. Common side effects include sleepiness, increased thirst, urination, and/or appetite. Do not use this medication in pets with liver, lung, or kidney disease or those that are allergic to barbiturates. If a negative reaction occurs, please call your veterinary office.

  • Phenoxybenzamine is given by mouth and is used off label to treat urination difficulty related to sphincter tone, high blood pressure related to pheochromocytoma, and laminitis in horses. Phenoxybenzamine should be given as directed by your veterinarian. Common side effects include nausea, vomiting, diarrhea, small pupils, increased heart rate, and nasal congestion/stuffy nose. Do not use in pets that are allergic to it, in pets that cannot handle low blood pressure, or in horses with colic. If a negative reaction occurs, please call your veterinary office.