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Dogs + Medications & Supplements

  • Enrofloxacin is an antibiotic given by mouth or in the muscle commonly used to treat bacterial infections in cats, dogs, and off label in small mammals, birds, and reptiles. Common side effects include vomiting, diarrhea, and lack of appetite. It should not be used in growing or dehydrated pets, or in cats with kidney disease. Use cautiously in pets with seizures, liver, or kidney disease. If a negative reaction occurs, please call your veterinary office.

  • Enrofloxacin otic (brand name Baytril® Otic) is applied topically and is labeled to treat ear infections in dogs. It is also used off-label to treat ear infections in cats. Give as directed. Side effects are rare but may include temporary hearing loss or skin reactions. Do not use with pets allergic to quinolones or sulfonamides, with young animals, or with those with central nervous system disorders. If a negative reaction occurs, please call the veterinary office.

  • Enzymes are given by mouth and are used over the counter or as a prescription to treat digestion problems, pain, or inflammation. Give as directed by your veterinarian. Side effects may include vomiting, diarrhea, and allergic reactions. Do not use in pets that are allergic to the enzyme or the source of the enzyme. Use cautiously in pets with liver or kidney disease, or in pets that are pregnant or nursing. If a negative reaction occurs, please call your veterinary office.

  • Epineprhine is a drug used most often in emergency situations for animals (e.g., anaphylaxis, cardiopulmonary resuscitation/CPR). It may be added to local anesthesia drugs due to its ability to cause veins to constrict, thus delaying the body’s absorption of the drugs and prolonging the duration of the local anesthetic duration.

  • Erythromycin ophthalmic is an antimicrobial medication used to treat certain types of eye infections. It may be used “off label” or “extra label” to treat other eye conditions. Erythromycin ophthalmic comes in ointment form. Caution when using this medication in pocket pets as fatal diarrhea may occur if ingested orally.

  • Estriol (brand name Incurin®) is a natural estrogen used to treat urinary incontinence and other diseases responsive to estrogen. Estriol is given by mouth in the form of a tablet or a compounded capsule, liquid tablet, or chewable tablet. This article discusses how this medication is given, potential side effects, risks, and monitoring.

  • Famotidine is an antacid given by mouth or into the vein and is commonly used off label to treat gastrointestinal ulcers and acid reflux. Side effects are uncommon but may include a slow heart rate, stomach upset, or dry mouth and skin. Use cautiously in pets that are geriatric or have liver, kidney, or heart disease.

  • Felbamate is an anticonvulsant used to treat seizure disorders in dogs. It may be used when initial anticonvulsants are not effective or stop working. It is used off label (extra label) in veterinary medicine. Felbamate comes in tablet and liquid suspension forms.

  • Fenbendazole (brand names Panacur®, Safe-Guard®) is a medication used to treat a variety of parasites in dogs. Its use in cats for the treatment of parasites is off label or extra label. Fenbendazole comes as oral granules or as a liquid suspension and is given by mouth. At regular doses, fenbendazole does not usually cause any side effects. Fenbendazole should not be used in puppies younger than six weeks of age or in sick animals.

  • Fenofibrate is a fibric acid derivative used as an anti-lipemic agent to lower triglycerides (a type of fat or lipid) in dogs. Its use in cats and other animals has not been studied. It is used off label (extra label) in veterinary medicine. Fenofibrate comes in capsule and tablet forms.