POM-V Prescription Required

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

Active ingredient: Florfenicol

Form

Injection

Species

Cattle Pigs

Manufacturer

Kela nv

VMD MA No.

06126/4001

What it's used for

Pigs: Treatment of acute outbreaks of swine respiratory disease caused by strains of Actinobacillus pleuropneumoniae and susceptible to florfenicol.

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

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

Source: VMD Summary of Product Characteristics (SPC). Last updated 27 Mar 2026.

Pigs: Treatment of acute outbreaks of swine respiratory disease caused by strains of
Actinobacillus pleuropneumoniae and susceptible to florfenicol.

To ensure a correct dosage body weight should be determined as accurately as
possible. The stopper must be cleaned before removing each dose. Use a dry, sterile
syringe and needle.
The vial cannot be broached more than 25 times.
Cattle: i.m. injection of 20 mg/kg BW (1ml/15kg) into the neck muscle twice 48 hours
apart. The volume administered per injection site should not exceed 10 ml. Subsequent
injections must be given at different sites.
Pigs: i.m. injection of 15 mg/kg BW (1 ml/20 kg) into the neck muscle, twice, 48 hour
apart. The volume administered per injection site should not exceed 3 ml. Subsequent
injections must be given at different sites.
It is recommended to treat animals in the early stages of disease and to evaluate the
response to treatment within 48 hours after the second injection. If clinical signs of
respiratory disease persist 48 hours after the last injection, treatment should be changed
using another formulation or another antibiotic and continued until clinical signs have
resolved.

Do not use in adult bulls and boars intended for breeding purposes.
AN: 03015/2024 & 03016/2024
Do not use in piglets of less than 2 kg.
Do not use in case of hypersensitivity to the active substance or to any of the excipients.
Do not administer intravenously.

Cattle:
Very rare
(<1 animal / 10,000 animals
treated, including isolated
reports):
Reduced food intake
Loose stool
Injection site inflammation
; Injection site lesion
Anaphylaxis
Quick and complete recovery upon termination of treatment.
May persist for 14 days after intramuscular administration.
Pigs
Common
(1 to 10 animals / 100 animals
treated):
Diarrhoea
;
Perianal inflammation
, Rectal oedema
;
Pyrexia
, Depression
2,3
;
Dyspnoea
2,3
;
Very rare
(<1 animal / 10,000 animals
treated, including isolated
reports):
Injection site swelling
, Injection site lesion
, Injection
site inflammation
.
Transient, can be observed for one week.
For a week or more after administration of the second dose.
Moderate.
Transient, lasting up to 5 days.
May be seen up to 28 days.
Reporting adverse events is important. It allows continuous safety monitoring of a
veterinary medicinal product. Reports should be sent, preferably via a veterinarian, to
either the marketing authorisation holder or its local representative or the national
competent authority via the national reporting system. See the package leaflet for
respective contact details.

None.

Special precautions for safe use in the target species:
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 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 amfenicols and other antimicrobials due to the
potential for cross-resistance.
Special precautions to be taken by the person administering the veterinary medicinal
product to animals
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 direct contact with skin, mouth and eyes. If eye exposure occurs, flush eyes
immediately with clean water. If skin exposure occurs, wash the affected area with clean
water. If accidental ingestion occurs, rinse the mouth with plenty of water and seek
medical advice immediately.
Wash hands after use.
People with known hypersensitivity to florfenicol should avoid contact with the veterinary
medicinal product.
Do not smoke, eat or drink while handling this veterinary medicinal product.
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.
AN: 03015/2024 & 03016/2024

No data available.

This veterinary medicinal product does not require any special temperature storage conditions.
Keep the bottle in the outer carton in order to protect from light.

Cattle:
Meat and offal: 34 days
Milk: Not authorised for use in animals producing milk for human consumption.
Pigs:
Meat and offal: 18 days

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.