Wednesday, September 17, 2014




For the love of your pet: Nonsteroidal anti-inflammatory drug use in pets

By By Shana Bohac
April 3, 2014 at midnight
Updated April 2, 2014 at 11:03 p.m.


Nonsteroidal anti-inflammatory drugs, or NSAIDs, are commonly used in human and veterinary medicine to manage acute or chronic pain and inflammation in patients. Inflammation is the body's response to irritation or injury. It is typically characterized by redness, warmth, swelling and pain.

NSAIDs are drugs that block the chemicals that cause inflammation. There is a wide variety of veterinary-approved NSAIDs used to control pain and inflammation associated with surgery, arthritis, injury and illness.

Prior to any pet being prescribed an NSAID, your veterinarian will collect a thorough history of your pet's life and environment. A physical exam will be performed as well as baseline bloodwork and urine analysis. Blood testing specifically checks the liver and kidneys for proper function. Glucose levels will also be evaluated, and if elevated, can suggest diabetes.

White blood cell levels are assessed to look for infection or other disease processes. Red blood cell levels are checked, and if elevated, may indicate dehydration while low red blood cells indicate anemia. Another important value is platelets, which can indicate how well the blood is clotting.

Performing these tests before starting NSAIDs will give you and your veterinarian peace of mind. Hidden illnesses can pose a health risk to your pet, particularly if paired with NSAID use. These results can also become part of your pet's medical records and provide a baseline for future reference.

The most common side effects seen with NSAID use include vomiting, diarrhea, anorexia and lethargy. If at any time your pet starts showing these signs while on NSAIDs, you should stop the medication immediately and contact your veterinarian.

These drugs are highly associated with gastrointestinal ulceration and perforation as well as liver and kidney toxicity. Patients at greatest risk for kidney toxicity are those who are dehydrated, on diuretics and those who have pre-existing heart or kidney diseases. It is also important to remember that NSAIDs should not be used with any other NSAID or corticosteroids.

Serious side effects can occur without warning; therefore, it is important that you keep a close eye on your pet while they are on an NSAID. You will need to keep a close on the color of your pet's feces, appetite, water intake and nausea or vomiting. If your pet is on long-term anti-inflammatories, then follow-up bloodwork should be performed every three to six months.

It is important to note that human anti-inflammatory medications are not safe for our pets. Ibuprofen has a very narrow margin of safety in dogs and can cause serious toxicosis in cats.

Acetaminophen can be deadly in cats since they are unable to break down the drug. Always consult with your veterinarian before giving any over-the-counter medication to your pet.

Dr. Shana Bohac has a veterinary practice at Hillcrest Animal Hospital in Victoria. She works on both small animals and equine patients. Submit questions to drshanabohac@hotmail.com.

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