Page 131 - Microsoft Word -Cow Book 10-06-09 final update.doc

Prohibited Drugs

Because of human food safety concerns, some drugs may not be used to treat
food-producing animals, even in an extra-label manner. These include:

 Chloramphenicol

 Clenbuterol

 Diethylstibesterol (DES)

 Dimetridazole

 Ipronidazole

 Other Nitroimidazoles (metronidazole)

 Nitrofuran drugs, Furazolidone, and Nitrofurazone

 FDA considers all sulfonamides, except the three sulfonamides
approved for use in lactating dairy cattle, to be excluded from any
use in female dairy cattle 20 months of age or older.

The three approved sulfonamides are;

1. sulfadimethoxine*,
2. sulfabromomethazine, and
3. sulfaethoxypyridazine

* The sulfadimethoxidine, Albon SR (sustained release) bolus is
not approved for lactating cows and is prohibited from such use.

 Fluorquinolones

 Glycopeptides

 Phenylbutazone in female dairy cattle 20 months of age or older

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