By Lifelearn Inc.


Why has my veterinarian prescribed this medicine?

Phenylbutazone is a synthetic non-steroidal anti-inflammatory medication used for lowering fever, pain management and to reduce inflammation. It may be prescribed to your pet to treat osteoarthritis, rheumatism and/or inflammation.

How do I give this medication?

  • Give this medication to your pet as directed by your veterinarian. READ THE LABEL CAREFULLY.
  • Give this medication after meals or with food.
  • If the medicine is a liquid, measure the dose with reasonable care.
  • Try to give this medication at about the same time each day.
  • DO NOT give the pet more medicine than directed and do not give more often than directed.
  • Try not to miss giving any doses.

What do I do if I miss giving a dose?

  • Give the dose as soon as possible. If it is almost time for the next dose, skip the missed dose, and continue with the regular schedule. Do not give the pet two doses at once.

How do I store this medicine?

  • Keep this medicine out of reach of children.
  • Store this medicine in a cool, dry place at room temperature. Store away from heat and direct sunlight.
  • Do not store this medicine in the bathroom, near the kitchen sink or in damp places. The medicine may break down if exposed to heat or moisture.

What are the potential side effects?

"Your pet may experience some stomach upset, which may lead to vomiting and stomach ulceration."
  • Your pet may experience some stomach upset, which may lead to vomiting and stomach ulceration. If these symptoms persist, contact your veterinarian.
  • Contact your veterinarian if the following symptoms are noted: loss of appetite, lesions in the mouth, depression, and weakness.
  • Other side effects may occur. If you notice anything unusual, contact your veterinarian.

Are any drug interactions possible?

  • Make sure to tell your veterinarian if you are giving your pet any other medication or supplements.
  • Quite often, your veterinarian may prescribe two different medications, and sometimes a drug interaction may be anticipated. If this occurs, your veterinarian may vary the dose and/or monitor your pet more closely.
  • The following drugs can potentially interact with phenylbutazone: digoxin, phenytoin, barbiturates, corticosteroids, chlorpheniramine, diphenhydramine, phenobarbital, griseofulvin, penicillin G, lithium, furosemide, valproic acid, oral anticoagulants, sulfonamides, sulfonylurea and anti-diabetic agents.
  • Contact your veterinarian if your pet experiences any unusual reactions when different medications are given together.


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