Educational Articles
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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.
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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.
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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.
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Erythromycin is given by mouth or injection and is used off label to treat bacterial infections and gastrointestinal motility problems in many animal species. Common side effects include diarrhea, lack of appetite, and vomiting. Do not use in pets that are allergic to it, have liver disease or dysfunction, or in pets such as rabbits, gerbils, guinea pigs, or hamsters. If a negative reaction occurs, please call your veterinary office.
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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.
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Esafoxolaner + eprinomectin + praziquantel 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.
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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.
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Eyebright is an over the counter supplement, given by mouth or used topically as an adjunctive treatment for infection and inflammation of the eyes, skin, or mucous membranes. Give as directed by your veterinarian. The most common side effect is a sensitivity reaction that may include redness, itching, or irritation. Do not use in pets that are allergic to it or that are pregnant, nursing, have had eye surgery, or have diabetes. If a negative reaction occurs, please call your veterinary office.
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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.
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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.