Label: BUTE - phenylbutazone tablet
- NDC Code(s): 50989-698-51
- Packager: VEDCO
- Category: PRESCRIPTION ANIMAL DRUG LABEL
- DEA Schedule: None
- Marketing Status: Abbreviated New Animal Drug Application
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- Phenylbutazone Boluses
For Oral Use in Horses Only.
Non-steroidal anti-inflammatory drug (NSAID)
DESCRIPTION & PHARMACOLOGY:
Phenylbutazone chemically is 4-butyl-1, 2-diphenyl-3, 5-pyrazolidinedione. It has the following structural formula:
Phenylbutazone was first synthesized in 1948 and introduced into human medicine in 1949, Kuzell1,2,3, Payne4, Fleming5, and Denko6, demonstrated the clinical effectiveness of phenylbutazone in gout, gouty arthritis, acute arthritis, acute rheumatism and various other rheumatoid disorders in humans. Fabre7, Domenjoz8, Wilhelmi9, and Yourish10, have established the anti-rheumatic and anti-inflammatory activity of phenylbutazone. It is entirely unrelated to the steroid hormones. Toxicity of phenylbutazone has been investigated in rats and mice11, Ogilvie and Sutter12, have also made a study on the chronic toxicity of phenylbutazone in dogs. They have shown that dogs receiving 10 mg. and 100 mg. per Kg. body weight, per day for 90 days, maintain good appetites, excrete normal feces, gain weight and maintain a normal blood picture. They also report no abnormal macroscopic or microscopic changes in sacrificed animals which could have been attributed to the drug. Phenylbutazone has been used by Camberos13 in thoroughbred horses. Favorable results were reported in cases of traumatism, muscle rupture, strains and inflammations of the third phalanx. Results were not as favorable in the periodic treatment of osteo-arthritis of medial and distal bones of the hock, arthritis of the stifle and hip, arthrosis of the trapezious muscles, and generalized arthritis. Sutter14 reported a favorable response in chronic equine arthritis of long duration, fair results in a severely bruised mare, and poor results in two cases where the condition was limited to the third phalanx.
Phenylbutazone is for the relief of inflammatory conditons associated with the musculoskeletal system in horses.
DOSAGE & ADMINISTRATION:
For horses only.
HORSES: Orally - 1 to 2 boluses pr 500 lb. body weight. Do not exceed 4 grams daily. Reduce dosage as symptoms regress. Intermittent treatment given only when symptoms appear may be indicated.
Concomitant use with other antiinflammatory drugs, such as NSAIDS or corticosterioids, should be avoided or closely monitored. In the treatment of inflammatory conditions associated with infections, specific anti-infective therapy should be used concurrently.
Federal (U.S.A.) law restricts this drug to use by or on the order of a licensed veterinarian. Federal (U.S.A.) law prohibits the extra-label use of this product in female dairy cattle 20 months of age or older.
1. Kuzell, W.C., Schafferzick, R.W., Naughler, W.E., Gandia, G. and Mankle, E.A.: A.M.A. Arch. Inst. Med., 92; 646 (1953).
2. Kuzell, W.C., Schafferzick, R.W., Brown, B. and Mankle, E.A.: J.A.M.A. 149; 729 (1952).
3. Kuzell, W.C., and Schafferzick, R.W.: Calif. Med. 77; 319 (1952).
4. Payne, R.W., Shelter, M.R., Farr, C.H., Hellbaum, A.A. and Ishmall, W.K.: J. Lab. Clin. Med., 45; 331 (1955).
5. Fleming, J., and Will, G.: Ann. Rheumat. Dist., 12; 95 (1953).
6. Denko, C.W., and Rumi, D.: American Pract. 6; 1865 (1956).
7. Fabre, J., et al: Semain. Hop. (Paris) 31; 87 (1955).
8. Domenjoz, R., et al: Arzneimittel-Forsch, 5;488 (1955).
9. Wilhelmi, G. and Pulver, R.: Arzneimittel-Forsch, 5; 221 (1955).
10. Yourish, W., Paton, B., Brodie, B., Burns, J.:A.M.A. Arch. Ophth., 53; 264 (1955).
11. Hazelton, L.W., Tusing, T.W. and Hollana,E.G.: J. Pharmacol. Exper. Ther., 109; 387 (1953).
12. Ogilvie, F.B. and Sutter, M.D.: Vet. Med. 52;492-4 (1957).
13. Camberos, H.R.: Rev. Med. Vet. (Buenos Aires) 38; 9 (1956).
14. Sutter, M.D.: Vet. Med., 53; 83 (Feb. 1958).
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- INGREDIENTS AND APPEARANCE
Product Information Product Type PRESCRIPTION ANIMAL DRUG Item Code (Source) NDC:50989-698 Route of Administration ORAL DEA Schedule Active Ingredient/Active Moiety Ingredient Name Basis of Strength Strength PHENYLBUTAZONE (UNII: GN5P7K3T8S) (PHENYLBUTAZONE - UNII:GN5P7K3T8S) PHENYLBUTAZONE 1 g Product Characteristics Color white (WHITE) Score 2 pieces Shape ROUND (ROUND) Size 18mm Flavor Imprint Code BUTE;1GM Contains Packaging # Item Code Package Description Marketing Start Date Marketing End Date 1 NDC:50989-698-51 12 in 1 CASE 1 100 in 1 BOTTLE, PLASTIC Marketing Information Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date ANADA ANADA200433 04/01/2010 Labeler - VEDCO (021634266) Establishment Name Address ID/FEI Business Operations FIRST PRIORITY INCORPORATED 179925722 manufacture