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  • Melatonin is given by mouth or as an implant under the skin and is used to treat sleep and behavior disorders, adrenal disease, and non-allergic hair loss, to suppress the heat cycle, and to improve breeding rates. Give as directed. Side effects are not common but may include sleepiness. Do not use in pets that are allergic to it. If a negative reaction occurs, please call your veterinary office.

  • Melioidosis is a bacterial infection that is typically associated with tropical regions. The bacteria that causes melioidosis, Burkholderia pseudomallei, is usually found in soil and water. The clinical signs of this condition, along with transmission, diagnosis, treatment, and prognosis, are outlined in this handout.

  • Meloxicam is a non-steroidal anti-inflammatory agent used to relieve pain and inflammation in dogs and cats. It is indicated for the treatment of osteoarthritis. Meloxicam has also been used to treat pain associated with surgery.

  • This handout summarizes the many options available to help celebrate your pet’s life and ways to help deal with your grief following the loss of your beloved pet.

  • This handout discusses meningitis, an inflammation of the membranes that cover the brain and spinal cord, in dogs. The numerous potential causes, along with the diagnosis, treatment and prognosis of the condition are outlined.

  • Meningoencephalitis is a term referring to inflammation of the brain and the surrounding fluid and tissues. Meningoencephalitis of unknown origin is a term used to describe those cases of meningoencephalitis in which MRI and cerebrospinal fluid analysis indicate the disease but diagnosis through histopathological analysis is not possible. Treatment typically involves immunosuppressant drugs, sometimes with the addition of antibiotics. The prognosis depends on several factors, which are also explained in this handout.

  • Meropenem is an antibiotic used to treat multi-drug-resistant bacterial infections in cats and dogs, particularly infections caused by extended-spectrum beta-lactamase-producing Enterobacterales or Pseudomonas aeruginosa. Its use in veterinary medicine is limited to susceptible infections with documented resistance to other antimicrobials. Its use is off label in veterinary medicine. Meropenem comes in an injectable form.

  • Metaldehyde toxicity occurs when a dog (or a cat, less commonly) eats slug bait that contains metaldehyde. Signs of metaldehyde toxicity include vomiting, anxiety, ataxia (due to muscle incoordination), stiffness, muscle tremors, elevated heart rate and respiratory rate, increased salivation, and increased sensitivity to touch. These signs often progress to continuous muscle tremors and seizures. Prognosis is good with aggressive treatment.

  • Methazolamide (brand names Neptazane®, GlaucTabs®, Glaumetax®, MZM) is a carbonic anhydrase inhibitor used off label (extra label) to treat open angle glaucoma in dogs and cats. Do not use in pets that are allergic to it, have significant liver, kidney, or adrenal disease, have electrolyte imbalances, have severe obstructive lung disease, or have closed angle glaucoma.

  • Methimazole is used to lower the amount of thyroid hormone in the blood. This medication will not cure hyperthyroidism, but will help control the disease.