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Dogs

  • Aspirin (acetylsalicylic acid) is a non-steroidal anti-inflammatory agent used to treat mild to moderate pain, to reduce inflammation and to reduce fever. In veterinary medicine, it is prescribed most commonly to treat blood clots in cats.

  • The word "ataxia" comes from two roots: "a" meaning "lack" and "taxia" meaning "order." So literally, ataxia is a "lack of order," or incoordination, within the nervous system.

  • Atenolol is primarily used to treat heart disease in cats and dogs and to lower blood pressure. It is a beta1-blocking agent. Atenolol decreases the heart’s need for blood and oxygen and therefore reduces the amount of work the heart must do. It also helps the heart beat more regularly.

  • Atlantoaxial (AA) luxation is a condition in which instability, or excessive movement, is present between the first two vertebrae within the neck. This spinal disorder is most commonly seen in young, small breed dogs, such as Toy Poodles, Miniature Poodles, Yorkshire Terriers, Pomeranians, and Chihuahuas. Less commonly, however, large breed dogs and even cats can be affected.

  • Atrial fibrillation describes very rapid contractions or twitching of the heart muscle, specifically in the atria. Most of the time, atrial fibrillation in the dog occurs secondary to heart disease. Sometimes, in large breed dogs, atrial fibrillation will occur as a primary heart problem.

  • AV valve dysplasia describes a developmental malformation of the mitral or tricuspid valve, and may be referred to by the specific valve that is affected.

  • Atropine sulfate is used in the eye to dilate the pupil. It may also be used to control pain in the eye due to corneal and uveal disease and in treating secondary glaucoma.

  • Anemia is not a specific disease but rather is a symptom of some other disease process or condition. Anemia is a medical term referring to a reduced number of circulating red blood cells (RBC’s), hemoglobin (Hb), or both. Hemoglobin delivers oxygen to the cells and tissues of the body, and a patient who is anemic will suffer from symptoms related to a lack of oxygen.

  • The term autoimmune is a confusing one. Our bodies have an immune system that protects us from foreign invaders that can cause disease and infection; however, if you have an autoimmune disease, your immune system attacks itself by mistake, causing illness.

  • Azathioprine is used to suppress the immune system. It is used to treat diseases and disorders caused by an overactive immune system. Examples of conditions the medication may be used for include immune mediated skin disease, autoimmune hemolytic anemia, thrombocytopenia, rheumatoid arthritis, polyarthritis, polymyositis, eosinophilic enteritis, myasthenia gravis, atrophic gastritis, ulcerative colitis, systemic lupus erythematosus, ocular histiocytoma, and chronic active hepatitis. When taking this medication, your pet may become more susceptible to infections. If possible, keep your pet away from stray animals or animals that may have an infection.