FENYLBUTAZONE Injection 20% is used for the relief of inflammatory conditions associated with the musculoskeletal system in horses. FENYLBUTAZONE Injection 20% contains 200 mg FENYLBUTAZONE per ml. FENYLBUTAZONE Injection 20% is recommended for intravenous administration at the rate of 1-2 g per 1000 lbs body weight (5-10 ml per 1000 lbs) daily. FENYLBUTAZONE.

Please note that this item requires a veterinarian’s prescription.

Three convenient ways to do that are:

  1. Let us contact your veterinarian for prescription authorization.
  2. Your veterinarian can contact us by fax/phone.
  3. You can mail us the original written prescription


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