Horse Non-Steroidal Anti-Inflammatory Pain Medication

Phenylbutazone is a non-steroidal anti-inflammatory drug (NSAID) that is used to treat pain and inflammation associated with arthritis in horses and other musculoskeletal conditions. Rarely phenylbutazone pet medications may be used to treat pain and inflammation in dogs.

Phenylbutazone is a nonhormonal medication that rapidly relieves inflammation and other symptoms associated with acute arthritis, gout, and other musculoskeletal inflammatory conditions. Symptoms often improve within 24 hours of beginning therapy.

Benefits of Phenylbutazone:

  • Treats arthritis, gout, and other inflammatory conditions
  • Anti-rheumatic and anti-inflammatory activity
  • Not related to steroid hormones
  • Works rapidly to relieve symptoms
  • Improves mobility and quality of life in arthritic horses
  • Available as an oral paste and in tablet form

Use this medication only as directed by your veterinarian.

Do not allow children to give this medication to horses.

Use concurrently with anti-infective agents when treating inflammatory conditions associated with infections.

Tablets Directions:

  1. Give 1 to 2 tablets per 500 lbs. of body weight.
  2. Reduce dosage as symptoms improve.
  3. Give intermittently to treat flares.
  4. Do not exceed 4 grams of Phenylbutazone per day.

Paste Directions:

  1. Give 1 to 2 grams per 500 lbs. of body weight.
  2. Make sure oral cavity is empty before administering paste.
  3. Set the plunger to deliver the correct dose based on weight.
  4. Deposit the paste on the back of your horse's mouth by depressing the plunger.
  5. Reduce dose after 48 hours to the lowest possible to maintain benefits.
  6. Do not exceed 4 grams of Phenylbutazone per day.

Frequency of Use:

Symptoms typically improve within 24 hours. Re-evaluate diagnosis and treatment plan if no improvement occurs within 5 days.

Use as prescribed. Discontinuation may result in a recurrence of symptoms.


Store Phenylbutazone at controlled room temperature, 59 to 86 degrees F., in a tightly closed container. Keep away from children and animals.

It is a violation of Federal Law to use this product in a manner inconsistent with its labeling.

Phenylbutazone is a synthetic anti-inflammatory medication, unrelated to hormonal steroids, with antipyretic properties. The medication is used to treat inflammatory conditions and may help control pain and other symptoms. Phenylbutazone is a pyrazolone derivative.

Active Ingredients (per tablet): Phenylbutazone, U.S.P. 1 gram

Active Ingredients (per 1 g marking on plunger): Phenylbutazone, U.S.P. 1 gram

Warranty and Manufacturer Information:


Manufactured for: RXVeterinary Products, Westlake, TX 76262 U.S.A.

NADA 048-647, Approved by FDA

NAC No.: 10910691


Manufactured by: Schering-Plough Animal Health Corp., Union, NJ 07083.

Copyright   1998. Schering-Plough Animal Health Corp.


Manufactured for: Clipper Distributing Company, LLC, St. Joseph, MO 64507

Trademarks are property of Clipper Distributing Company, LLC.

All rights reserved.

Made in Ireland.



NADA #116-087, Approved by FDA

NAC No.: 12560642

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