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Dogs + Medications & Supplements

  • Moxidectin topical is applied to the skin and is commonly used to prevent heartworms and to treat topical and intestinal parasites. It has also been used off label to treat adult heartworms. Side effects are uncommon but may include lethargy, vomiting, uncoordinated walking, anorexia, diarrhea, and itching. It is contraindicated in sick, debilitated, or underweight animals. If you suspect an overdose or an adverse reaction to the medication, call your veterinary office immediately. If they are not available, follow their directions in contacting an emergency facility.

  • Mupirocin otic, also known as pseudomonic acid A, is an antibiotic used in the treatment of ear infections. It is used “off label” or “extra label” to treat ear infections in animals. Mupirocin comes in ointment or liquid drop suspension forms that may be specially compounded.

  • Mupirocin topical, also known as pseudomonic acid A (brand names Muricin, Bactroban, Centany), is an antibiotic used to treat skin infections. It is labeled for use in dogs to treat skin infections caused by susceptible strains of Staphlococcus and other gram-positive bacteria. It is used “off label” or “extra label” to treat skin infections in other species and acne in cats. Mupirocin comes in cream or ointment form.

  • Mycophenolate is an immune suppressing medication given by mouth or as an injection and is mainly used off-label to treat autoimmune disease in dogs. Common side effects include gastrointestinal upset and bone marrow suppression. This medication should not be used in pets that are allergic to mycophenolate, are pregnant, or nursing. It should be used with caution in pets with liver or kidney disease. If a negative reaction occurs, call your veterinary office.

  • 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, 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/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.

  • Niacinamide is given by mouth and is used off label to treat inflammatory skin conditions in conjunction with other medications. Give as directed by your veterinarian. The most common side effects include lack of appetite, vomiting, diarrhea, and sleepiness. Do not use in pets that are allergic to it or that are undergoing skin allergy testing within the next two weeks. If a negative reaction occurs, please call your veterinary office.

  • 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.

  • Nystatin is an antifungal, given by mouth in the form of a tablet or liquid suspension, and used off label to treat Candida fungal infections in dogs, cats, birds, and reptiles. Side effects are rare, but at high doses could cause stomach upset or mouth irritation. It should not be used in pets that are allergic to it. If a negative reaction occurs, please call your veterinary office.