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Small Mammals

  • Common conditions of pet ferrets include diarrhea, intestinal foreign bodies, parasites, heart disease, and various types of tumors. Any variation from normal should be a cause for concern and should be immediately evaluated by your veterinarian.

  • Common conditions of pet rabbits include upper respiratory tract infections, internal and external parasites, dental disease, GI stasis, uterine problems, and pododermatitis. Upper respiratory infections are often caused by bacteria including Pasteurella multocida. Rabbits can become infected with various intestinal parasites, as well as external parasites such as ear and fur mites, fleas, and occasionally ticks. Rabbits’ teeth are continuously growing but chewing food, as well as chewing on wooden blocks, branches, and toys, helps them wear their teeth down at a rate equal to their growth. Occasionally, tooth or jaw trauma or disease causes misalignment of the upper and lower jaws and overgrowth of teeth results. Regular yearly check-ups enables early diagnosis and treatment of some rabbit diseases. Whenever a rabbit stops eating, for whatever reason, it is important to take her to see your veterinarian immediately for an evaluation.

  • Common conditions of pet rodents include respiratory diseases, gastrointestinal problems, dental problems, and tumors. Signs of respiratory disease in rodents include nasal and/or ocular discharge in mild infections, and wheezing, coughing, and open-mouth breathing in severe infections. Gastrointestinal disease, including diarrhea from various causes and gastrointestinal stasis is common in pet rodents. All rodents have teeth that grow continuously throughout their lives. Occasionally, these teeth grow too long and cut into the gums, causing pain, or prevent the mouth from closing properly, which often makes the pet stop eating. Just as in people, cancer is often seen in pet rodents, especially mammary (breast) tumors in rats and mice. Rodents with signs of respiratory or GI disease or evidence of a tumor should be seen by a veterinarian who can properly diagnose and treat the underlying condition.

  • Doxycycline is an antibiotic given by mouth in the form of a tablet, capsule, or liquid, used off label to treat certain infections. Common side effects include stomach upset, sun sensitivity, and increases in liver enzymes. Serious side effects include liver failure, seizures, and trouble swallowing. Do not use in pregnant pets, and use cautiously in pets with liver disease or in young pets. If a negative reaction occurs, please call your veterinary office.

  • The ear mite is a surface mite that lives on cats, dogs, rabbits, and ferrets. It is usually found in the ear canal but it can also live on the skin surface. Mites are barely visible to the naked eye. Clinical signs of infestation vary in severity and may include ear irritation, leading to scratching at the ears or head shaking, dark waxy or crusty discharge from the ear, areas of hair loss resulting from self-trauma, a crusted rash around or in the ear, and an aural hematoma. Your veterinarian will advise you about which insecticidal products are suitable. Your veterinarian may want to re-examine your pet to ensure that the mites have been eliminated after the initial treatment has been performed.

  • Enalapril is used on and off label and is given by mouth or injection to treat heart failure, high blood pressure, chronic kidney disease, or proteinuria. Common side effects include loss of appetite, vomiting, diarrhea, and tiredness. Do not use in pets that are allergic to it, have an acute kidney injury, or have certain heart conditions. If a negative reaction occurs, please call your veterinary office.

  • Encephalitozoonsis is an infection that can affect the kidneys, eyes and nervous system of rabbits. It's caused by an organism called Encephalitozoon cuniculi or E. cuniculi, a small microsporidian parasite that's intracellular (it has to live within another cell).

  • 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.

  • Ferrets are true carnivores and cannot handle a diet containing more than 4% fiber. There are several good commercial ferret foods available that are dry foods. Ferrets have a very quick gut transit time (the time from eating to defecating) of three to four hours, so they appear to eat and defecate constantly. Fresh water should be available all the time.

  • The preferred basic diet for guinea pigs is unlimited amounts of Timothy or other low-calcium hay, supplemented with smaller amounts of a commercial, high-fiber, Timothy-hay based guinea pig pellets. The diet should be supplemented with a variety of fresh, well-washed, leafy greens or colored vegetables; especially those high in vitamin C. Guinea pigs cannot manufacture their own vitamin C, therefore it is important that guinea pigs receive a vitamin C tablet or liquid vitamin C directly by mouth every day. Provide fresh clean water in a sipper bottle and check the tube for blockages each day.

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Pet Health Library

Royal City Paws Pet Centre is pleased to provide a library of professionally written articles updated by practice experts.