Illustrated Articles

  • Budesonide is a glucocorticoid most often given by mouth in the form of a capsule to treat inflammatory bowel disease off-label in dogs and cats. Common side effects include increased appetite, thirst, or urination, as well as lack of energy, weakness, panting, skin and haircoat changes, and weight gain. Do not use this medication in pets allergic to it, and use with caution in pets with gastrointestinal ulcers, diabetes, infection, or cataracts. If a negative reaction occurs, call your veterinary office.

  • Buprenorphine is used on and off label and is given by mouth into the cheek or injection to treat pain or as a preanesthetic. The most common side effect is sleepiness. Do not use in pets that are allergic to it or other opioids, or in pets being treated with amitraz. If a negative reaction occurs, please call your veterinary office.

  • Buspirone is given by mouth and is used off label to treat behavior disorders in dogs and cats. Common side effects include increased friendliness or aggression, sleepiness, decreased appetite, nausea, or a slower heart rate. Do not use in pets that are allergic to it or have recently worn a flea/tick collar. If a negative reaction occurs, please call your veterinary office.

  • Butorphanol is a partial opiate agonist/antagonist that is used as an analgesic, pre-anesthetic, antitussive, or antiemetic. The injectable form is used subcutaneously, intramuscularly, or intravenously, and the tablet is given by mouth. Side effects include sedation, ataxia, anorexia, or rarely diarrhea. Caution should be used in pets with liver or kidney disease, Addison’s disease, head trauma, or other CNS dysfunction, or in geriatric or severely debilitated patients.

  • Calcitriol is used off label and is given by mouth or injection to treat low blood calcium levels associated with low parathyroid hormone, as well as chronic kidney disease, certain cancers, and certain skin diseases. Side effects are uncommon if the dose is appropriate. Do not use in pets that are allergic to it or those with high blood calcium, vitamin D toxicity, or malabsorption syndrome. If a negative reaction occurs, please call your veterinary office.

  • Calcium acetate is given off label and by mouth to treat elevated blood phosphorus levels, especially due to kidney disease. Side effects may include nausea or stomach upset. This medication should not be used in pets that are allergic to it or have high blood calcium levels. If a negative reaction occurs, please call your veterinary office.

  • Calendula is given directly on the skin or by mouth and is used off label and over the counter to treat skin inflammation or gastrointestinal ulcers. Give as directed by your veterinarian. Side effects are uncommon but may include skin or stomach irritation. Do not use in pets that are allergic to it or that are pregnant. If a negative reaction occurs, please call your veterinary office.

  • Capromorelin is an appetite stimulant liquid solution given by mouth, and is used to treat inappetence. Side effects include vomiting, diarrhea, increased drinking and urination, and intestinal sounds. This medication should not be used in pets allergic to it, and be used with caution in those with liver and kidney disease. If a negative reaction occurs, call your veterinary office.

  • Captopril is given by mouth and is used off label to treat congestive heart failure and high blood pressure. Give as directed by your veterinarian. The most common side effects include vomiting, diarrhea, or lack of appetite. Do not use in pets that are allergic to it or other ACE inhibitors. If a negative reaction occurs, please call your veterinary office.

  • Carbamazepine is given my mouth and is used off label in dogs, cats, and horses to treat seizures, pain, and behavior disorders. Common side effects in animals are unknown, but may include dizziness, sleepiness, nausea, and vomiting. Do not use in pets that have recently used amitraz, are pregnant, or have bone marrow disease. If a negative reaction occurs, please call your veterinary office.