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Dogs + Medications & Supplements

  • Fipronil with s-methoprene and pyriproxyfen, topical (brand name Frontline® Gold), is a medication used to treat and control fleas and ticks in dogs and puppies 8 weeks of age and older, and to control fleas, ticks, and chewing lice in cats and kittens 8 weeks of age and older and weighing at least 1.36 kg (3 lb). It may be used to treat sarcoptic mange in dogs and cats, as well as chewing lice in dogs.

  • Fipronil with s-methoprene, topical (brand names Frontline® Plus, PetArmor® Pro Advanced, Fiproguard® Max, Fiprotrol® Plus, others), is a medication used to treat and control fleas, ticks, sarcoptic mange mites, and chewing lice in dogs and puppies 8 weeks of age and older, weighing more than 2.3 kg (5 lb). It is also used to treat and control fleas, ticks, and chewing lice in cats and kittens 8 weeks of age and older. It may be used off-label in other species.

  • Firocoxib is given by mouth in the form of a tablet to treat pain and inflammation in dogs and horses. It may also be used off label to treat a specific type of bladder cancer in dogs. Do not use this medication in pets that are allergic to it or in pets concurrently using corticosteroids or other NSAIDs. If a negative reaction occurs, call your veterinary office.

  • Fish oil is an over-the-counter supplement, given by mouth, that is commonly used to treat a wide variety of inflammatory conditions. Give as directed by your veterinarian. Side effects are not common but may include vomiting, diarrhea, or a fishy odor. Do not use concurrently with anticoagulant medications. If a negative reaction occurs, please call your veterinary office.

  • Flaxseed oil (also called flax oil) is derived from flax plant seeds and contains high levels of alpha-linolenic acid (ALA), an omega-3 fatty acid that has anti-inflammatory effects in the body. Flaxseed oil is used as a dietary supplement to treat inflammatory conditions in cats, dogs, and other animals.

  • Florfenicol/terbinafine/betamethasone otic (brand name Osurnia®) is a long-acting, topical ear medication used to treat the itching and inflammation associated with certain bacterial ear infections in dogs. It is labeled for use in dogs and not intended for use in cats. Florfenicol/terbinafine/betamethasone otic should only be administered by a veterinary professional.

  • Florfenicol/ terbinafine/mometasone otic (brand names: Claro®, Simplera®) is a long-acting, topical ear medication used to treat the itching and inflammation associated with certain bacterial and/or ear infections in dogs. It is not intended for use in cats. This medication is usually given by veterinary personnel as a single dose.

  • Flower essences are extracts from various types of flowers that are used to balance emotions. In animals, they are used to relieve emotional stress and anxiety. Flower essences are used in many different animals, including cats, dogs, horses, fish, birds, and other animals.

  • Fluconazole is an antifungal medication used off label in cats, dogs, and small mammals to treat fungal infections, especially those in the brain and spinal cord. It is given by mouth in the form of a tablet or liquid suspension and is also available as an injection for hospital use. It should be used with caution in pets with liver or kidney disease, or pregnant or lactating pets.

  • Flucytosine is an antifungal drug used in combination with other drugs to treat serious fungal infections in pets. No veterinary products are available. Human products (Ancobon®) are used off label in dogs, cats and birds; caution is advised for use in dogs, as they may develop severe skin reactions.