Veterinary Drug Handbook (VDH) is the reference veterinarians turn to when they want an independent source of information on the drugs that are used in veterinary medicine today.

Flunixin Injection -S (flunixin meglumine) 50 mg/mLVeterinary

Product Type: PRESCRIPTION ANIMAL DRUG LABEL
Autor Name: Norbrook Laboratories Limited
Code Source: 55529-030
Route of Administration: INTRAMUSCULAR

Flunixin-S

Generic: flunixin meglumine

Ingredients:

  • flunixin meglumine flunixin : Active ingredient - moiety is basis of strength - 50 mg in 1 mL
  • edetate disodium : Inactive ingredient - 0.1 mg in 1 mL
  • sodium formaldehyde sulfoxylate : Inactive ingredient - 2.5 mg in 1 mL
  • diethanolamine : Inactive ingredient - 4.0 mg in 1 mL
  • propylene glycol : Inactive ingredient - 207.2 mg in 1 mL
  • phenol : Inactive ingredient - 5.0 mg in 1 mL
  • hydrochloric acid : Inactive ingredient
  • water : Inactive ingredient

Package Description:

  • 100 mL in 1 VIAL, GLASS
  • 250 mL in 1 VIAL, GLASS

ANADA 200-476, Approved by FDA.
For intramuscular use in swine.
Not for use in breeding swine.

CAUTION

Federal law restricts this drug to use by or on the order of a licensed veterinarian.

DESCRIPTION

Each milliliter of FLUNIXIN INJECTION -S contains flunixin meglumine equivalent to 50 mg flunixin, 0.1 mg edetate disodium, 2.5 mg sodium formaldehyde sulfoxylate, 4.0 mg diethanolamine, 207.2 mg propylene glycol; 5.0 mg phenol as preservative, hydrochloric acid, water for injection q.s.

PHARMACOLOGY

Flunixin meglumine is a potent non-narcotic, non-steroidal, analgesic agent with anti-inflammatory and antipyretic activity. It is significantly more potent than pentazocine, meperidine, and codeine as an analgesic in the rat yeast paw test.
Flunixin is known to persist in inflammatory tissues 1 and is associated with anti-inflammatory properties which extend well beyond the period associated with detectable plasma drug concentrations 2 . Therefore, prediction of drug concentrations based upon estimated plasma terminal elimination half-life will likely underestimate both the duration of drug action and the concentration of drug remaining at the site of activity.
The pharmacokinetic profiles were found to follow a 2-compartmental model, although a deep (third) compartment was observed in some animals. The mean terminal elimination half-life (? half-life) of flunixin after a single intramuscular injection of flunixin injection (2.2 mg/kg) to pigs was between 3 and 4 hours. The mean observed maximum plasma concentration was 2944 ng/mL, achieved at a mean time of approximately 0.4 hours. The mean AUC(0-LOQ) was 6431 ng*hr/mL. Following IM administration of flunixin, quantifiable drug concentration could be measured up to 18 hours post dose. The mean volume of distribution was 2003 mL/kg and the mean total clearance was 390 mL/hr/kg. The mean absolute bioavailability of flunixin following an intramuscular injection in the neck was 87%.

INDICATION

FLUNIXIN INJECTION -S is indicated for the control of pyrexia associated with swine respiratory disease.

DOSE AND ADMINISTRATION

The recommended dose for swine is 2.2 mg/kg (1 mg/lb; 2 mL per 100 lbs) body weight given by a single intramuscular administration. The injection should be given only in the neck musculature with a maximum of 10 mL per site.
Note: Intramuscular injection may cause local tissue irritation and damage. In an injection-site irritation study, the tissue damage did not resolve in all animals by Day 28 post-injection. This may result in trim loss of edible tissue at slaughter.

CONTRAINDICATIONS

There are no known contraindications to this drug in swine when used as directed. Do not use in animals showing hypersensitivity to flunixin meglumine. Use judiciously when renal impairment or gastric ulceration is suspected.

RESIDUE WARNINGS

Swine must not be slaughtered for human consumption within 12 days of the last treatment.

PRECAUTIONS

As a class, cyclo-oxygenase inhibitory NSAIDs may be associated with gastrointestinal, renal and hepatic toxicity. Sensitivity to drug-associated adverse events varies with the individual patient. Patients at greatest risk for adverse events are those that are dehydrated, on concomitant diuretic therapy, or those with existing renal, cardiovascular, and/or hepatic dysfunction. Concurrent administration of potentially nephrotoxic drugs should be carefully approached. NSAIDs may inhibit the prostaglandins that maintain normal homeostatic function. Such prostaglandin effects may result in clinically significant disease in patients with underlying or pre-existing disease that has not been previously diagnosed. Since many NSAIDs possess the potential to produce gastrointestinal ulceration, concomitant use of flunixin meglumine with other anti-inflammatory drugs, such as other NSAIDs and corticosteroids, should be avoided.
Not for use in breeding swine. The reproductive effects of FLUNIXIN INJECTION -S have not been investigated in this class of swine.
Intramuscular injection may cause local tissue irritation and damage. In an injection site irritation study, the tissue damage did not resolve in all animals by Day 28 post-injection. This may result in trim loss of edible tissue at slaughter.

SAFETY

Flunixin was mildly irritating at the injection sites. No other flunixin-related changes (adverse reactions) were noted in swine administered a 1X (2.2 mg/kg; 1.0 mg/lb) dose for 9 days. Minimal toxicity manifested itself as statistically significant increased spleen weight at elevated doses (5X or higher daily for 9 days) with no change in normal microscopic architecture.

HOW SUPPLIED

FLUNIXIN INJECTION -S, 50 mg/mL, is available in 100 mL and 250 mL multi-dose vials.
Store between 2 ° and 30°C (36° and 86°F).

REFERENCES

Lees P, Higgins AJ. Flunixin inhibits prostaglandin E2 production in equine inflammation. Res Vet Sci. 1984; 37:347-349. Odensvik K. Pharmacokinetics of flunixin and its effect on prostaglandin F2a metabolite concentrations after oral and intravenous administration in heifers. J Vet Pharmacal Ther. 1995; 18:254-259. Restricted Drug - California. Use Only as Directed.
Made in the UK.
Distributed by:
Norbrook, Inc.
9733 Loiret Blvd
Lenexa, KS 66219
USA
010670101

Vial Label

Sterile Solution 250 mL
Veterinary Multiple Dose Vial
50 mg/mL
Flunixin Injection -S
(flunixin meglumine)
For intramuscular use in swine.
Not for use in breeding swine.
Caution: Federal law restricts this drug to use by or on the order of a licensed veterinarian.

Vial Label
Flunixin Injection -S(flunixin meglumine)50 mg/mLVeterinary

Carton Label

Sterile Solution 250 mL
Veterinary Multiple Dose Vial
50 mg/mL
Flunixin Injection -S
(flunixin meglumine)
Veterinary
Caution: Federal law restricts this drug to use by or on the order of a licensed veterinarian.
ANADA 200-476, Approve by FDA.

Carton Label
Flunixin Injection -S(flunixin meglumine)50 mg/mLVeterinary

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