Maybe if you take some info to the vet about metacam and the warning, it will be clear.
For me, I have had my vet office list what meds that they are never allowed to give to my cats and this is one of them.
All I did was google "Metacam Boehringer Ingelheim warning" and below is just a bit of what I found.
There's even a site
http://www.metacamkills.com
Some info:
FDA has required Boehringer-Ingleheim to add a “Black Box” warning to the boxes of Metacam, an anti inflammatory medication. It reads:
“Warning. Repeated use of Metacam in cats has been associated with acute renal failure and death. Do not administer additional injectable or oral meloxicam to cats. See contraindications, warnings and precautions for detailed information.” The FDA has asked for this warning due to reports of side effects associated with the product.
And here's just one article on the warning:
METACAM® (meloxicam) Now Includes Warning for Cats on Label
Friday October 29, 2010
The FDA announced yesterday that the drug's manufacturer, Boehringer Ingelheim Vetmedica, Inc. (B.I.V.I.), changed the label to include:
WARNING
Repeated use of meloxicam in cats has been associated with acute renal failure and death. Do not administer additional injectable or oral meloxicam to cats. See Contraindications, Warnings, and Precautions for detailed information.
This announcement comes after many cases and comments about Metacam usage and cats.
From the release:
"FDA asked B.I.V.I. to add the boxed warning based on FDA's review of reported adverse drug events for METACAM®. FDA identified many cases of kidney failure and death in cats associated with repeated use of METACAM®."
METACAM® Solution for Injection was approved for one-time use in cats in 2004. It was to be used once before surgery to control postoperative pain and inflammation post-operatively. This is what the approval was for, but this drug was also used in other circumstance, with repeated doses. This is called "off-label" usage, and it is OK for veterinarians to prescribe drugs in this manner, for some cases, and with veterinary supervision.
Additional info from the release:
"FDA is aware that some veterinarians prescribe or use METACAM® in an extra-label manner. Under certain circumstances, veterinarians are allowed to use a drug in an extra-label manner. The new boxed warning on the METACAM® labels helps inform veterinarians of the serious risks associated with extra-label use of meloxicam in cats." View full FDA release
If you cat (or dog) is taking Metacam and showing any signs of illness - not eating, increases in thirst or urination, vomiting, losing weight, etc., please contact your veterinarian as soon as possible.
FDA Metacam Black Box Warning October 27, 2010