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Home Veterinary Injections for Horses & Pets Resflor 250ml Injection
Buy Resflor 100ml Online
Resflor 100ml $80.00 Original price was: $80.00.$75.00Current price is: $75.00.
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Resflor 250ml Injection

$250.00 Original price was: $250.00.$225.00Current price is: $225.00.

Resflor 250ml Treatment of respiratory infections caused by Mannheimia haemolytica, Pasteurella multocida, Mycoplasma bovis and Histophilus somni associated with pyrexia. Resflor contains Florfenicol and Flunixin to provide an antibiotic and anti inflammatory and anti pyrexic in one dose.

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Description

Buy Resflor 250ml Solution Injection Online: The Definitive Veterinary Guide to Florfenicol and Flunixin Meglumine Kinetics, Bovine Respiratory Disease Treatment, Pyrexia Control, and Bulk Livestock Health

Managing acute bovine respiratory disease ($\text{BRD}$) outbreaks accompanied by severe pyrexia (fever), lung consolidation, and systemic inflammatory distress across large beef feedlots and commercial dairy rearing units requires a high-volume, dual-action therapeutic formulation. When livestock encounter aggressive multi-pathogen respiratory challenges—such as Mannheimia haemolytica, Pasteurella multocida, and Histophilus somni—infections trigger high body temperatures, severe inflammation, and rapid tissue damage.

Left unmanaged, acute respiratory epidemics lead to high herd morbidity, permanent pulmonary scarring, heavy treatment failures, and extensive economic losses across livestock operations.

Relying on standalone antibiotics leaves animals suffering from debilitating fever and lung inflammation for days while the infection clears, while smaller vials frequently run out mid-treatment during large-scale outbreaks.

To provide simultaneous bactericidal eradication and rapid fever reduction in an economical, high-capacity volume, professional veterinarians and commercial producers rely on gold-grade combination therapy. Resflor Solution (250ml Bulk Presentation) (manufactured by MSD / Merck Animal Health) is a premier, professional-grade injectable formulation combining Florfenicol ($300\ \text{mg/mL}$) and Flunixin Meglumine ($16.5\ \text{mg/mL}$ equivalent to $10\ \text{mg/mL}$ flunixin). Packaged in a sterile $250\ \text{ml}$ multi-dose glass vial, Resflor delivers unmatched dual-action efficacy engineered specifically for large-scale cattle health management.

This comprehensive guide covers dual-action pharmacology, pyrexia suppression kinetics, clinical indications, and precise administration protocols for Resflor 250ml.

Dual-Action Pharmacology & Elimination Kinetics

Resflor 250ml delivers a breakthrough biochemical mechanism engineered to simultaneously halt bacterial protein synthesis and suppress systemic inflammatory pathways:

                  [Resflor 250ml Solution Administered (Subcutaneous Injection)]
                                             |
                  [Rapid Systemic Absorption into Blood Plasma Pools]
                                            |
               [Simultaneous Dual-Action: Antimicrobial & Anti-Inflammatory]
                                            |
               -------------------------------------------------
              |                                                 |
     [FLORFENICOL 50S BINDING]                   [FLUNIXIN MEGLUMINE NSAID]
   (Inhibits Peptidyl Transferase)             (Inhibits Cyclooxygenase [COX] Enzymes)
              |                                                 |
              v                                                 v
   [Stops Bacterial Protein Synthesis]         [Suppresses Prostaglandin Synthesis]
   (Bacteriostatic Action against Pathogens)   (Rapid Reduction of Fever & Inflammation)
              |                                                 |
              v                                                 v
   [Deep Pulmonary Tissue Penetration]         [Alleviates Respiratory Distress & Pain]
   (Neutralizes Mannheimia & Pasteurella)      (Restores Normal Feed Intake & Vigor)
              |                                                 |
               =========================> <=====================
                                            |
                                            v
                   [Complete Eradication of Pathogens & Resolution of Pyrexia]
                                            |
                   [Rapid Restoration of Herd Health, Normal Appetite, & Peak Performance]

1. Dual Antimicrobial and Anti-inflammatory Synergy

  • Florfenicol ($300\ \text{mg/mL}$): A synthetic broad-spectrum antibiotic that binds to the $50\text{S}$ ribosomal subunit of susceptible bacteria, halting peptide bond formation and stopping bacterial replication.

  • Flunixin Meglumine ($16.5\ \text{mg/mL}$): A potent non-steroidal anti-inflammatory drug ($\text{NSAID}$) that inhibits cyclooxygenase ($\text{COX}$) enzymes, rapidly suppressing prostaglandin synthesis to eliminate fever, reduce lung inflammation, and restore appetite.

2. Rapid Pyrexia Control and Tissue Penetration

  • Ultrafast Fever Reduction: Lowers elevated body temperature within hours of administration, relieving acute respiratory distress and preventing metabolic exhaustion.

  • Targeted Pulmonary Accumulation: Concentrates extensively in lung parenchyma and bronchial fluids to eliminate major respiratory pathogens including Mannheimia haemolytica, Pasteurella multocida, and Histophilus somni.

Primary Clinical & Livestock Health Indications

Resflor Solution 250ml is an essential therapeutic tool for large beef feedlots, cow-calf operations, and commercial non-lactating dairy units:

  • Bovine Respiratory Disease ($\text{BRD}$): Treatment of $\text{BRD}$ associated with Mannheimia haemolytica, Pasteurella multocida, and Histophilus somni where clinical signs indicate the presence of elevated body temperature (pyrexia).

  • Control of BRD Associated with Pyrexia: Rapidly resolves high fever and acute systemic inflammation during severe feedlot respiratory outbreaks.

  • Bulk Operational Efficiency: The $250\ \text{ml}$ multi-dose vial provides an ideal volume for treating multiple head of cattle during high-density feedlot processing.

Recommended Administration and Dosing Protocols

To guarantee absolute safety, proper bioavailability, and tissue compatibility, Resflor must be administered strictly according to approved route and weight guidelines.

1.Inspect Vial & Disinfect Septum:Aseptic Setup.

Inspect the $250\ \text{ml}$ multi-dose glass vial to ensure seal integrity. Swab the rubber stopper thoroughly with an antiseptic alcohol pad before drawing the solution into a sterile syringe.

2.Confirm Subcutaneous Route:Route Selection.

Administer Resflor strictly via subcutaneous ($\text{SQ}$) injection in the neck. Do not administer intramuscularly or intravenously.

3.Calculate Precise Body Weight Dose:Dosage Calculation.

Calculate volume strictly by body weight. The standard dose rate is $40\ \text{mg/kg}$ florfenicol and $2.2\ \text{mg/kg}$ flunixin meglumine ($2\ \text{mL}$ for every $33\ \text{lbs}$ / $6\ \text{mL}$ for every $100\ \text{lbs}$ body weight).

4.Observe Site Volume Limits:Injection Limits.

To ensure proper systemic absorption and tissue safety, do not inject more than $10\ \text{mL}$ per injection site. Divide larger total doses across multiple sites in the neck.

 

Dosing Reference Table

The table below outlines standard administration guidelines for Resflor Solution ($250\ \text{ml}$):

Clinical IndicationStandard Dosage RateVolume per 100 lbs Body WeightApproved RouteAdministration Schedule
Bovine Respiratory Disease with Pyrexia$40\ \text{mg/kg}$ florfenicol + $2.2\ \text{mg/kg}$ flunixin$6.0\ \text{mL}$ per $100\ \text{lbs}$Subcutaneous (SQ) in NeckSingle-dose treatment

Clinical Safety, Restrictions, and Storage

  • Strictly Non-Lactating Cattle Only: Do not use in female dairy cattle 20 months of age or older or in calves to be processed for veal. Use in lactating dairy cattle may cause drug residues in milk. Approved strictly for beef cattle and non-lactating dairy stock.

  • Meat Withdrawal Period: Always adhere strictly to regional regulatory withdrawal windows prior to marketing animal products for human consumption. Note: Cattle treated with Resflor carry a mandatory 38- to 44-day meat withdrawal period depending on regional regulations.

  • Concurrent Medication Warning: Do not use other $\text{NSAIDs}$ concurrently or within 24 hours of treatment with Resflor to avoid potential gastrointestinal or renal toxicity.

  • Storage Parameters: Store unopened $250\ \text{ml}$ multi-dose vials at controlled room temperature between 2°C and 30°C (36°F to 86°F). Protect from light. Puncture rubber stopper a maximum of several times and use within standard aseptic timeframes (typically 28 days of first puncture).

Frequently Asked Questions (FAQ)

What are the active ingredients in Resflor Solution?

Resflor contains a combination of Florfenicol ($300\ \text{mg/mL}$) for broad-spectrum bacterial eradication and Flunixin Meglumine ($16.5\ \text{mg/mL}$) for rapid fever and inflammation reduction.

What is the advantage of the $250\ \text{ml}$ bottle size?

The $250\ \text{ml}$ bulk multi-dose vial provides an economical, high-capacity presentation for feedlots and large-scale beef operations treating multiple animals, reducing vial changes during processing.

Can Resflor be used in dairy cows?

No. Resflor is strictly contraindicated in female dairy cattle 20 months of age or older and lactating dairy cows due to milk residue considerations. It is approved exclusively for beef cattle and non-lactating dairy stock.

Where can I buy genuine Resflor 250ml online?

You can safely purchase authentic, factory-sealed Resflor Solution (250ml vials) online through Pet Well Global. We manage and store all veterinary pharmaceutical inventory under strict environmental controls to guarantee absolute product freshness, safety, and full potency.

Secure Premium Sourcing from Pet Well Global

At Pet Well Global, we understand that managing acute feedlot respiratory outbreaks and high fever across large herds requires absolute product reliability and bulk value. Every $250\ \text{ml}$ vial of Resflor Solution is sourced through authorized veterinary distribution networks, stored in our climate-controlled warehouse, and shipped securely to ensure complete product quality.

Resflor 250ml Treatment of respiratory infections caused by Mannheimia haemolytica, Pasteurella multocida, Mycoplasma bovis and Histophilus somni associated with pyrexia. Resflor contains Florfenicol and Flunixin to provide an antibiotic and anti inflammatory and anti pyrexic in one dose.

Resflor Gold is an antibiotic and anti-inflammatory indicated for treatment of bovine respiratory disease (BRD) associated with Mannheimia haemolytica, Pasteurella multocida, Histophilus somni, andMycoplasma bovis, and control of BRD-associated pyrexia in beef and non-lactating dairy cattle.

Dosage: 6 ml per 100 lbs body weight, given by SQ injection in the neck. Do not administer more than 10 ml per injection site.

Active Ingredients. 300mg/ml Florfenicol and 16.5mg/ml of Flunixin Indicated for treatment of bovine respiratory disease (BRD) associated with Mannheimia haemolytica, Pasteurella multocida, and Histophilus somni, and control of BRD-associated pyrexia in beef and non-lactating dairy cattle.
Treatment of respiratory infections caused by Mannheimia haemolytica, Pasteurella multocida, Mycoplasma bovis and Histophilus somni associated with pyrexia. Resflor contains Florfenicol and Flunixin to provide an antibiotic and anti inflammatory and anti pyrexic in one dose.

Description Resflor 250ml

Resflor Gold for Bovine Respiratory Disease contains florfenicol and flunixin meglumine, and is considered a highly effective bovine respiratory disease (BRD) treatment option.

Every injection delivers a one-two treatment punch to fight BRD:

  • Florenicol to kill or inhibit the disease-causing bacteria.
  • Flunixin meglumine (NSAID) to reduce BRD-associated fever. Resflor 250ml

Resflor Gold should be injected subcutaneously and only used in beef and non-lactating dairy cattle only.

This injectable is not for use in female dairy cattle 20 months of age or older or in calves to be processed for

Description

Resflor Gold for Bovine Respiratory Disease contains florfenicol and flunixin meglumine, and is considered a highly effective bovine respiratory disease (BRD) treatment option.

Every injection delivers a one-two treatment punch to fight BRD:

  • Florenicol to kill or inhibit the disease-causing bacteria.
  • Flunixin meglumine (NSAID) to reduce BRD-associated fever.

Resflor Gold should be injected subcutaneously and only used in beef and non-lactating dairy cattle only.

This injectable is not for use in female dairy cattle 20 months of age or older or in calves to be processed for

Resflor 250ml for Bovine Respiratory Disease contains florfenicol and flunixin meglumine, and is considered a highly effective bovine respiratory disease (BRD) treatment option.

Every injection delivers a one-two treatment punch to fight BRD:

  • Florenicol to kill or inhibit the disease-causing bacteria.
  • Flunixin meglumine (NSAID) to reduce BRD-associated fever.

Resflor Gold should be injected subcutaneously and only used in beef and non-lactating dairy cattle only.

This injectable is not for use in female dairy cattle 20 months of age or older or in calves to be processed for  Resflor 250ml Resflor

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