MAXFLOR® Florfenicol - Based Products for Treatment of Respiratory Diseases

MAXFLOR®: 10% Florfenicol - Oral Soluble Powder (OSP) || 20g Florfenicol - Premix || 40% Florfenicol - RTU Injection for Respiratory Diseases

  • Swine


Broad spectrum antibiotic for use in cattle and pigs.

Florfenicol is an antibiotic belonging to the Phenicol group. The bacteriostatic spectrum of Florfenicol is quite broad and similar to the antibacterial spectrum of Chloramphenicol, including Gram(-) and Gram(+) bacteria.

The drug works very quickly, achieving therapeutic effects within 1 hour after being administered orally.

1ml contains 100mg of Florfenicol as an active ingredient. Florfenicol is an antibiotic (thiamphenicol-based compound) providing bacteriostatic action against Escherichia coli, Salmonella spp., Staphylococcus spp., Streptococcus spp., Pasteurella multocida, Actinobacillus pleuropneumoniae, Ornitobacterium rhinotracheale, Haemophilus spp., Proteus spp., Enterobacter spp., Shigella spp., Klebsiella spp., Bordetella spp., Mycoplasma spp.

Use in pigs with pleuropneumonia, atrophic rhinitis; In poultry with colibacillosis, pasteurellosis, bacterials respiratory infections and others caused by microorganisms susceptible to florfenicol.



MAXFLOR® is a broad-spectrum antimicrobial, with excellent tissue distribution, rapid excretion and a high safety margin.

  1. Broad-spectrum antimicrobial
  2. The drug is effective in small concentrations
  3. Therapeutic blood concentration is maintained within 24 hours after oral administration


  • Concentration: MAXFLOR® LA is formulated with a concentration of 400mg/ml (40% Florfenicol), which allows low volumes to be applied per injection.
  • Tolerance: The excipient allows the application of high doses of active ingredient, without causing injuries at the application site.
  • Stability: The product is highly stable, even at the concentration used, which guarantees a safe and effective product.
  • Bioavailability: The product reaches high concentrations within the first three hours after application, allowing almost immediate antimicrobial activity.
  • Versatility: It allows for treatments appropriate to the evolutionary state of pneumonic problems and allows it to be adapted to the common handling of animals, since it can be applied both intramuscularly and subcutaneously.
  • Long-Acting Effect: Thanks to the POC excipient, therapeutic levels are obtained that are maintained for 48 hours after IM application or up to to 96 hours when applied SC.
  • Efficacy: Allows complete treatments with a single dose, which reduces animal handling and ensures the maintenance of therapeutic blood levels for 48 hours in pigs and up to 96 hours in cattle.



Maxflor® LA RTU Injection

Cattle: 1ml/ 20kg of weight via IM and repeat after 48 hours if necessary. 1ml/10kg of weight via SC. Single dose.

Swine: 1ml/25-30kg of weight, via IM and repeat after 48 hours if necessary.



Maxflor® Premix

Powder medicine mixed with food. 

Treatment dose: 2kg of Maxflor Premix for 1 ton of food, continuously for 5-7 days (equivalent to Florfenicol content of 2 mg/kg body weight/day)


Maxflor® 10% Oral Soluble Powder (OSP)

Individual or group administration within 7 days. Daily dose is 5ml per 100kg of body weight.



Intramuscular or subcutaneous



  • Store the medicine in a cool, dry place at a temperature below 30°C (5-20°C)
  • Leftover medicine must be stored in a sealed container.
  • Keep medicine out of reach of children.



Pigs and poultry are allowed to be slaughtered for meat not earlier than 6 and 2 days, respectively, after the last drug administration




Comparative viscosity & syringeability of five florfenicol injectable solutions

Local tolerance of two florfenicol injectable solutions in fattening pigs

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