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Pet Health Library

Cats + Medications & Supplements

  • Neomycin ophthalmic is an antimicrobial medication, usually in a combination product, used to treat bacterial infections of the eye. It is used to treat surface eye infections in cats, dogs, and exotic companion animals. Neomycin ophthalmic comes in ointment and liquid drop suspension form. Caution when using this medication in cats, as allergic reactions have been documented.

  • Neomycin sulfate, dexamethasone, and thiabendazole topical (brand name Tresaderm®) is a combination antimicrobial (neomycin), antifungal (thiabendazole), and steroid (dexamethasone) medication used to treat infections and inflammation of the skin, ears, and anal glands in cats and dogs. It may be used “off label” or “extra label” in other animals and for other conditions. Neomycin sulfate, dexamethasone, and thiabendazole topical comes in ointment form.

  • Neomycin topical is an antimicrobial medication, usually in a combination product, used to treat bacterial infections of the skin. It is used to treat surface skin infections in cats, dogs, and other animals. Neomycin topical comes in ointment form.

  • Neomycin, isoflupredone, and tetracaine (brand names Neo-Predef with Tetracaine, Tritop), is a combination antibiotic (neomycin), steroid (isoflupredone), and local anesthetic (tetracaine) used in the treatment of certain superficial infections. It is labeled for use in cats, dogs, and horses to treat certain types of skin and ear infections. It may be used"off label" or "extra label" to treat other conditions or in other species.

  • Neomycin, polymyxin B, bacitracin topical is a combination antimicrobial medication used to treat bacterial infections of the skin. It is used to treat surface skin infections in cats, dogs, and other animals. Neomycin, polymyxin B, bacitracin topical comes in ointment form.

  • Neomycin/polymyxin B/dexamethasone ophthalmic, also known as neopolydex (brand name Maxitrol), is a combination antimicrobial and steroid anti-inflammatory medication used to treat certain types of bacteria (gram-positive and gram-negative). It is used to treat eye infections and eye inflammation. Neomycin/polymyxin B/dexamethasone ophthalmic comes in liquid eye drop and ointment forms. Avoid use in pets with eye ulcers.

  • Nitenpyram is given by mouth and is used on and off label to treat adult flea infestations and fly larvae infestations. Give as directed by your veterinarian. The most common side effect is itchiness. Do not use in pets that are allergic to it, in pets that weigh less than 2 pounds, or in pets younger than 4 weeks old. If a negative reaction occurs, please call your veterinary office.

  • Nitrofurantoin is an antibiotic used to treat bacterial urinary bladder infections. It is typically used as a second-line antibiotic, when broad-spectrum antibiotics have not cleared the infection. It is used “off label” or “extra label” in veterinary medicine. Nitrofurantoin comes in capsule or liquid forms given orally. Never use in food-producing animals or animals intended for food.

  • Nitrofurazone topical (brand names Fura-Septin®, Furazone, others), is an antimicrobial used to treat surface bacterial infections, wounds, and skin ulcers in dogs. Some products may be labeled for use in cats. Nitrofurazone topical comes in ointment and powder forms. It is prohibited for use in food-producing animals.

  • Nystatin combinations are applied topically to the skin, instilled in the ear and instilled in the anal sacs. They typically are combined with 1 or 2 antibiotics and a corticosteroid. They may be used on or off label to treat skin and ear lesions. The most common side effect is inflammation at the application site. Nystatin combination ointment should not be used on pets that are allergic to it or on pets that have tuberculosis infections of the skin or a ruptured ear drum. If a negative reaction occurs, please call your veterinary office.