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• Enzymes

  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.

• Epinephrine

  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.

• Epinephrine Auto-Injectors

  Epinephrine is a drug used most often in emergency situations for animals (e.g., anaphylaxis, cardiopulmonary resuscitation/CPR). Automatic injection devices for epinephrine (EpiPen®, EpiPen® Jr) are used off-label in pets to treat anaphylactic (allergic) reactions that occur away from the veterinary hospital.

• Eprinomectin + Praziquantel

  Eprinomectin + praziquantel (brand name Centragard®) is a topical (spot-on) antiparasitic drug used to treat and control hookworm, roundworm, and tapeworm infections, and to prevent heartworm disease in cats and kittens that are at least 7 weeks of age and weigh at least 0.8 kg (1.8 lb). Do not use in cats known or suspected to have two copies of the MDR1 gene mutation.

• Epsiprantel

  Epsiprantel (Cestex®) is an oral deworming medication used to treat and kill tapeworms in dogs and cats. It comes as oral tablets that should be given with food. The medication typically takes effect within 1-2 days, but laboratory tests are needed to evaluate its effectiveness.

• Erythromycin Ophthalmic

  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.

• Esafoxolaner + Eprinomectin + Praziquantel

  Esafoxolaner + eprinomectin + praziquantel (brand name NexGard COMBO™) is given topically on the skin to treat and protect against various internal and external parasites and prevent heartworm in cats. Side effects are rare but may include hair loss at the application site, gastrointestinal upset, skin reactions, or neurologic signs. Use caution in sick or underweight cats. If a negative reaction occurs, please call your veterinary office.

• Esomeprazole

  Esomeprazole is a proton-pump inhibitor antacid used to treat stomach ulcers in cats, dogs, and horses. It is used off label (extra label) in veterinary medicine. Esomeprazole comes in capsule and tablet forms.

• Exenatide

  Exenatide (brand names Bydureon®, Byetta®) is a glucagon-like peptide-1 (GLP-1) receptor agonist used in addition to insulin to achieve better blood sugar control and treat certain types of diabetes in cats. Its use is off label in veterinary medicine. Exenatide comes in an injectable immediate-release and extended-release forms – the forms are not interchangeable.

• Famciclovir

  Famciclovir is given by mouth and is used off-label to control feline herpesvirus. Give as directed. Side effects may include vomiting, diarrhea, decreased appetite, and increased drinking and urination. Do not use it in pets that are allergic to it or penciclovir. If a negative reaction occurs, call your veterinary office.