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POM-V Prescription Required

Pigfen 40 mg/g Granules for Pigs

Active ingredient: Fenbendazole

Form

Powder

Species

Pigs

Manufacturer

Huvepharma NV

VMD MA No.

30282/3016

What it's used for

A broad spectrum anthelmintic for the treatment of pigs infected with mature and immature forms of nematodes of the gastro-intestinal and respiratory tract...

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 Fenbendazole

  1. 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. 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.

Prescription required

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

Clinical information

Pigfen 40 mg/g Granules for Pigs — SPC Details

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

A broad spectrum anthelmintic for the treatment of pigs infected with mature
and immature forms of nematodes of the gastro-intestinal and respiratory
tracts:
Hyostrongylus rubidus (Red Stomach worm)
Oesophagostomum sp. (Nodular worms)
Ascaris suum (large roundworm)
Trichuris suis (Whipworm)
Also effective in the contol of (Lungworm).
An ovicidal effect on nematode eggs.

Revised: October 2025
AN: 01766/2025
The veterinary medicinal product is only intended for the treatment of individual pigs
on farms where a small number of pigs are to receive treatment.
To be mixed with a small quantity (20%) of the daily feed ration and administered
prior to offering the remaining feed.
The treated feed must be prepared daily just before administration to the animals.
Pigs to be treated should be separated and treated individually.
May be administered to pigs using the following dosage regimens:
-
medicinal product) per kg bodyweight (migrating larval, intestinal larval and
adult stages);
-
product) per kg bodyweight per day for 7 consecutive days (intestinal larval and
adult stages);
-
product) per kg bodyweight per day for 14 consecutive days (intestinal larval
and adult stages).
To ensure a correct dosage, body weight should be determined as accurately as
possible.
The intake of medicated feed depends on the clinical condition of the animals. In
order to obtain the correct dosage, the concentration of fenbendazole may need to
be adjusted accordingly.
The use of suitably calibrated measuring equipment is recommended.
Partly-consumed feed must be disposed of with other waste feed and not given to
other animals.
Do not use in cases of hypersensitivity to the active substance, to other
benzimidazoles or to any of the excipients.
None known.
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 also the package leaflet
for respective contact details.
Care should be taken to avoid the following practices because they increase the risk
of development of resistance and could ultimately result in ineffective therapy:
•
extended period of time.
•
misadministration of the veterinary medicinal product, or lack of calibration of
the dosing device (if any).
Suspected clinical cases of resistance to anthelmintics should be further investigated
using appropriate tests (e.g. Faecal Egg Count Reduction Test). Where the results
of the test(s) strongly suggest resistance to a particular anthelmintic, an anthelmintic
belonging to another pharmacological class and having a different mode of action
should be used.

Special precautions for safe use in the target species
None.
Special precautions to be taken by the person administering the medicinal product to
animals.
Embryotoxic effects cannot be excluded. Pregnant women must take extra
precautions when handling this veterinary medicinal product.
This veterinary medicinal product may be toxic to humans after ingestion.
Accidental ingestion of the veterinary medicinal product should be avoided.
In case of accidental ingestion, rinse mouth with plenty of clean water, seek medical
advice immediately and show the package leaflet or the label to the physician.
This veterinary medicinal product may cause eye irritation and skin sensitisation.
Avoid contact with skin and/or eyes.
Personal protective equipment consisting of goggles, impervious gloves and a
disposable half-mask respirator conforming to European Standard EN 149 or a non-
disposable respirator to European Standard EN 140 with a filter to EN 143 should be
worn when handling the veterinary medicinal product.
In case of skin and/or eye contact, immediately rinse with plenty of water.
Wash hands after use.
Special precautions for the protection of the environment
The veterinary medicinal product should not be allowed to enter surface waters as it
has harmful effects on aquatic organisms.
Exacerbation of paracetamol hepatotoxicity by fenbendazole cannot be excluded.
Veterinary medicinal product as packaged for sale: no special storage precautions.
After first opening of the immediate packaging: do not store above 25°C.
Meat and offal: 4 days.
4.

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.

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