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  • To be classified as a fever of unknown origin (FUO), the body temperature must be above 103.5°F (39.7°C) for longer than a few days, with no obvious underlying cause based on history and physical examination. A fever is beneficial to the body, but if a fever remains above 106°F (41.1°C) for more than a few days several consequences occur within the body and can be life threatening. If your pet has a fever, your veterinarian will perform a thorough physical examination, perform diagnostic blood tests, urine culture, and possibly other diagnostic tests. Antibiotics are often prescribed. Cats that have persistent fever or a fever that waxes and wanes must undergo a thorough work-up so that the cause of fever can be discovered and treated before irreversible damage occurs.

  • To be classified as a fever of unknown origin (FUO), the body temperature must be above 103.5°F (39.7°C) for longer than a few days, with no obvious underlying cause based on history and physical examination. A fever is beneficial to the body, but if a fever remains above 106°F (41.1°C) for more than a few days, several consequences occur within the body and can be life threatening. If your pet has a fever, your veterinarian will perform a thorough physical examination, perform diagnostic blood tests, urine culture, and possibly other diagnostic tests. Antibiotics are often prescribed.

  • Fexofenadine is a second-generation antihistamine used to relieve allergy symptoms and histamine-mediated conditions in cats and dogs. It is used off label in veterinary medicine. Fexofenadine comes tablet and liquid forms to be given orally.

  • Fibrocartilaginous embolus (FCE) or fibrocartilaginous embolic myelopathy (FCEM) refers to a condition caused by a piece of fibrocartilaginous material thought to originate from an intervertebral disc, lodging in an artery or vein, causing decreased blood flow to an area of the spinal cord. Confirmatory diagnosis requires MRI. Treatment is primarily supportive.

  • Fibrocartilaginous embolus (FCE) or fibrocartilaginous embolic myelopathy (FCEM) refers to a condition caused by a piece of fibrocartilaginous material thought to originate from an intervertebral disc, lodging in an artery or vein, causing decreased blood flow to an area of the spinal cord. This condition is more common in younger, large-breed dogs; however, certain small breeds and all ages can be affected. Confirmatory diagnosis requires MRI. Treatment is primarily supportive. Recurrence is unlikely.

  • Fibrosarcomas are a type of soft tissue cancer that is common in dogs. They are most often found on the limbs and trunk of the body but can also be found in the nasal cavity or mouth. They usually originate from the connective tissue of the skin and beneath the skin, but occasionally from the bone. Older dogs and certain breeds (especially large breeds) are at greater risk. Fibrosarcomas are often painful. Surgery is the treatment of choice for fibrosarcomas, with or without radiation and/or chemotherapy. With proper and prompt treatment, favorable outcomes are possible.

  • Fight wounds often result in infections that can become serious if left untreated. Punctures from bites seal over quickly, trapping bacteria under the skin. If your cat is bitten, it is important to be seen by a veterinarian for treatment as soon as possible.

  • Finasteride (brand names Proscar®, Propecia®) is a medication used in dogs to help with infertility issues caused by benign prostatic hypertrophy (an enlargement of the prostate gland caused by hormones) and to treat the general clinical signs associated with it. Finasteride may also be used for adrenal problems in ferrets.

  • Finches are small, active birds belonging to the order of Passeriformes, also known as songbirds. Finches have a variety of feather colours and patterns, and a variety of chirping vocalizations. These petite birds are robust, easy to care for, and demand little attention.

  • Reliable, correct information is essential for making informed decisions on your pet’s care and health needs. The best source of information is always your veterinarian, but if you’re looking online, this handout discusses how to find trustworthy sources of information.