Showing posts with label VETERINARIAN. Show all posts
Showing posts with label VETERINARIAN. Show all posts

Thursday, November 7, 2013

FDA WARNS OF RISKS TO PETS TAKING PAIN MEDICATION

FROM:  U.S. FOOD AND DRUG ADMINISTRATION 
Pain Medicines for Pets: Know the Risks

Your 9-year-old German Shepherd is limping, and you think that arthritis may be setting in. A trip to the veterinarian proves that you’re right—it’s osteoarthritis, a degeneration of the cartilage and bone that affects joints. The veterinarian prescribes a non-steroidal anti-inflammatory drug (NSAID).

NSAIDs are a class of drugs extensively used in both human and veterinary medicine for their anti-fever, anti-inflammatory and pain-relieving properties, and they are the most commonly prescribed pain relievers for animals. Inflammation—the body’s response to irritation or injury—is characterized by redness, warmth, swelling, and pain. NSAIDs work by blocking the production of chemicals produced by the body that play a role in inflammation.

“Scientists consider NSAIDs the cornerstone of osteoarthritis therapy in dogs,” says Melanie McLean, D.V.M., a veterinarian at the Food and Drug Administration (FDA). Some NSAIDS are also used to manage pain after surgery in both dogs and cats. No NSAID has been approved for long-term use in cats.

NSAIDs carry risks as well as benefits, however, and all dogs and cats should undergo a thorough physical examination by a veterinarian—including a discussion of the pet’s medical history— before beginning NSAID therapy. McLean notes that it’s also important that you talk to your veterinarian about possible side effects, including those that could signal danger.

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Risks and Side Effects
NSAIDS are associated with gastrointestinal ulcers/perforations, kidney, and liver toxicity (damage done by exposure to medications or chemicals) and must be used cautiously in animals with pre-existing kidney or liver problems.

Because most liver-associated toxicities occur during the first three weeks, it’s especially important to closely monitor the results of blood tests during the early stages of long-term NSAID treatment in dogs. Also, before starting long-term treatment with NSAIDs in dogs, blood tests should be conducted to establish baseline data and then repeated on a regular basis. McLean recommends that you talk with your veterinarian about how often this blood work should be done.

Some of the most common side effects of NSAIDS in animals reported to FDA are:

vomiting
decreased to no appetite
decreased activity level
diarrhea
While your animal is taking NSAIDs, continuously monitor the pet for these side effects as well as looking for blood in the feces, tar-like stools, yellowing of the whites of the eyes, or yellowing of the gums. If you see these, call your veterinarian immediately, McLean says. Other reported side effects include stomach and intestinal ulcers, intestinal perforation (a hole in the wall of the intestine), kidney failure, liver failure and death.

Giving two NSAIDs at the same time, or giving an NSAID with a steroid, such as prednisone, can significantly increase the risk and severity of side effects, especially gastrointestinal toxicity.

Risks associated with NSAIDs are detailed on the package inserts and the client information sheets that accompany all FDA-approved veterinary oral NSAIDs.

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Are OTC Meds for People Safe for Pets?
McLean says that it’s not unusual for pet owners to want to give their animals NSAIDs or acetaminophen (Tylenol and other brands, which are not NSAIDs) straight from their own medicine cabinets. “Many people don’t realize that a medicine that’s safe for people may not be safe for dogs or cats, or that a dose that is safe for people may not be safe for their pets,” she notes.

In fact, some over-the-counter (OTC) human pain relievers can be toxic, or even deadly, in pets. McLean suggests that you check with your veterinarian first if you want to give your animal OTC human drugs.

“You should always check with your veterinarian first before giving your animal any kind of medication, prescription or over-the-counter,” she notes. Similarly, pet owners should not assume that a medicine that is safe for one animal is necessarily safe for another.

Communication with your veterinarian is essential. Before giving your animal an NSAID:

Make sure you know what the medication is being prescribed for, how much to give and how long to give it.
Discuss possible side effects and symptoms, especially those that require an immediate call to the vet.
Tell your veterinarian if the pet has a history of gastrointestinal problems, such as stomach ulcers, or surgery on the stomach or intestines.
Tell your veterinarian if your pet is on any other medications or supplements.
This article appears on FDA's Consumer Updates page, which features the latest on all FDA-regulated products.

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