POM-V Prescription Required

Forcyl Swine 160 mg/ml Solution for Injection for Pigs

Active ingredient: Marbofloxacin

Form

Injection

Species

Pigs

Manufacturer

Vetoquinol UK Limited

VMD MA No.

08007/5061

What it's used for

In weaned piglets: - Treatment of intestinal infections caused by susceptible strains of In post-partum sows: - Treatment of metritis mastitis agalactia sy...

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 Marbofloxacin

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

Forcyl Swine 160 mg/ml Solution for Injection for Pigs — SPC Details

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

In weaned piglets:
- Treatment of intestinal infections caused by susceptible strains of
In post-partum sows:
- Treatment of metritis mastitis agalactia syndrome (form of postpartum
dysgalactiae syndrome, PPDS) caused by susceptible strains of E. coli.

The recommended dosage is 8 mg of marbofloxacin /kg body weight i.e. 1 ml of
veterinary medicinal product/20 kg body weight in a single intramuscular injection in
the side of the pig neck.
To ensure a correct dosage, body weight should be determined as accurately as
possible.

Do not use in cases of hypersensitivity to the active substance, other
fluoroquinolones or to any of the excipients.
Do not use fluoroquinolones as prophylaxis or metaphylaxis to prevent
diarrhoea at weaning, to limit development of resistance.

Swine:
Common
(more than 1 but less than 10
animals in 100 animals)
Injection site pain Very rare
(<1 animal / 10,000 animals
treated, including isolated reports):
Injection site reaction
1
Disappear within 36 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 the national competent authority via
the national reporting system. See the package leaflet for respective contact
details.

Do not use in cases where the pathogen involved is resistant to other
fluoroquinolones (cross resistance).

Special precautions for safe use in the target species:
Official and local antimicrobial policies should be taken into account when this
veterinary medicinal product is used.
Fluoroquinolones should be reserved for the treatment of clinical conditions which
have responded poorly, or are expected to respond poorly, to other classes of
antimicrobials. Wherever possible, use of the veterinary medicinal product should
only be based on susceptibility testing.
Special precautions to be taken by the person administering the veterinary
medicinal product to animals:
People with known hypersensitivity to (fluoro)quinolones and benzyl alcohol should
avoid any contact with the veterinary medicinal product.
Wash hands after use. Avoid contact of the skin and eyes with the veterinary
medicinal product. If the product comes into contact with the skin or eyes, rinse
with copious amounts of water.
Care should be taken to avoid accidental self-injection. In case of accidental self-
administration, the user should seek medical advice immediately and show the
package leaflet or the label to the physician.
Accidental self-injection can induce a slight irritation.
Special precautions for the protection of the environment:
Not applicable.

None known.

This veterinary medicinal product does not require any special storage conditions.

Meat and offal: 9 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.