POM-V Prescription Required

Flordofen 300 mg/ml Solution for Injection for Cattle and Pigs

Active ingredient: Florfenicol

Form

Injection

Species

Cattle Pigs

Manufacturer

Dopharma Research B.V.

VMD MA No.

28365/5008

What it's used for

Cattle: Treatment and metaphylaxis of respiratory tract infections in cattle due to Mannheimia haemolytica, Pasteurella multocida and Histophilus somni sus...

Full indications, dosage and side effects ↓

View official SPC (PDF)

The prescription itself has a price. See what practices near you charge for a consultation and the written prescription fee.

Paying less for Florfenicol

1

Ask your vet for a written prescription

They must provide one on request. Under the CMA Order the fee is capped at £21 from 2027.
2

Fill it at a registered online retailer

The CMA found online pharmacies 50–60% cheaper than practice dispensing on common medicines — typically £200–£300 a year.

Your prescription rights → VMD register of retailers →

Prescription required

Your vet must provide a written prescription on request. You can then purchase from any licensed online retailer.

Clinical information

Flordofen 300 mg/ml Solution for Injection for Cattle and Pigs — SPC Details

Source: VMD Summary of Product Characteristics (SPC). Last updated 26 Mar 2026.

Cattle:
Treatment and metaphylaxis of respiratory tract infections in cattle due to
Mannheimia haemolytica, Pasteurella multocida and Histophilus somni
susceptible to florfenicol.
The presence of the disease in the herd should be established before
metaphylaxis.
Pigs:
Treatment of acute outbreaks of respiratory disease caused by strains of
Actinobacillus pleuropneumoniae and susceptible to
florfenicol.

Do not use in adult bulls and boars intended for breeding purposes.
Do not use in cases of hypersensitivity to the active substance or to any of the
excipients.

Revised: October 2024
AN: 00461/2023Page 2 of 8

This veterinary medicinal product does not contain an antimicrobial
preservative.

Special precautions for use in animals
Do not administer to piglets of less than 2 kg.
Use of the veterinary medicinal product should be based on susceptibility
testing of the bacteria isolated from the animal. If this is not possible, therapy
should be based on local (regional, farm level) epidemiological information
about susceptibility of the target bacteria.
Official national and regional antimicrobial policies should be taken into account
when the veterinary medicinal product is used.
Use of the veterinary medicinal product deviating from the instructions given in
the SPC may increase the prevalence of bacteria resistant to florfenicol and
may decrease the effectiveness of treatment with other antimicrobials due to the
potential for cross-resistance.
Special precautions to be taken by the person administering the veterinary
medicinal product to animals
People with known hypersensitivity to florfenicol,propylene glycol or
polyethylene glycols should avoid contact with the veterinary medicinal product.
Care should be taken to avoid accidental self-injection. In case of accidental
self-injection, seek medical advice immediately and show the package leaflet or
the label to the physician.
Avoid skin or eye contact with the veterinary medicinal product. In case of
contact with the skin or eyes, rinse the affected area immediately with plenty of
water. Wash the hands after use.
Laboratory studies in rabbits and rats with the excipient N-methyl pyrrolidone
have shown evidence of foetotoxic effects. Women of childbearing age,
pregnant women or women suspected of being pregnant should use the
veterinary medicinal product with serious caution to avoid accidental self-
injection.
Special precautions for the protection of the environment
Not applicable.
Other precautions
Not applicable.

Revised: October 2024
AN: 00461/2023Page 3 of 8

interaction
None known.

Store below 25°C.
Keep the vial in the outer carton in order to protect from light.

Cattle:
Meat and offal: by IM (at 20 mg/kg body weight, twice): 30 days
by SC (at 40 mg/kg body weight, once): 44 days
Milk: Not authorised for use in animals producing milk for human consumption,
including during the dry period.
Pigs:
Meat and offal: 18 days
5.

This information is sourced from the official Summary of Product Characteristics (SPC) published by the Veterinary Medicines Directorate (VMD). It is provided for informational purposes only and does not replace professional veterinary advice. Always consult your vet before administering any medication.