Zerofen Wormer Granules 888 mg for Adult Dogs
Active ingredient: Fenbendazole
Form
Powder
Species
Manufacturer
C&H Generics Ltd
VMD MA No.
40162/4004
What it's used for
Dogs For the treatment of immature and mature stages of Toxacara canis and Taenia hydatigena.
Full indications, dosage and side effects ↓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
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.
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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.
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Zerofen Wormer Granules 888 mg for Adult Dogs — SPC Details
Source: VMD Summary of Product Characteristics (SPC). Last updated 26 Mar 2026.
For the treatment of immature and mature stages of Toxacara canis and Taenia
hydatigena.
For the routine treatment of adult dogs a dosage of 100 mg/kg is recommended.
This equates to approximately 1 whole sachet per 8 kg bodyweight (2 sachets for 16
kg bodyweight; 3 sachets for 24 kg bodyweight etc.).
Sachets must not be divided and stored for future use. If necessary, a suitable
alternative product must be selected.
To ensure administration of a correct dose, body weight should be determined as
accurately as possible.
Special precautions for use in animals
None
Unlimited Renewal: July 2023
AN: 00840/2023
Special precautions to be taken by the person administering the veterinary
medicinal product to animals
The product can cause irritation to the skin, eyes and lungs. Direct contact with the
skin should be kept to a minimum. Avoid inhalation of granule dust. Wash hands after
use. Avoid contact with the eyes. In case of accidental eye contact, irrigate the eyes
with plenty of clean water. If irritation persists, seek medical advice. Only use for the
bodyweight of animal recommended. The entire contents of the sachet must be
directly sprinkled onto food as a single dose. Discard any uneaten medicated feed.
Add to feed immediately before administration. Discard any remaining medicated
feed.
Unlimited Renewal: July 2023
AN: 00840/2023
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.
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Other Products Containing Fenbendazole
These products share the same active ingredient and may be suitable alternatives. Always consult your vet.
Bob Martin Clear Wormer Granules for Dogs 888.8 mg
AVM-GSLChanelle Pharmaceuticals Manufacturing Ltd
Curofen 50 mg/g Oral Powder for Pigs
POM-VPSUnivet Limited
Curofen 50 mg/g Oral Powder for Pigs
POM-VPSUnivet Limited
Curofen 50 mg/g Premix for Medicated Feeding Stuff for Pigs
POM-VPSUnivet Limited
Curofen 50 mg/g Premix for Medicated Feeding Stuff for Pigs
POM-VPSUnivet Limited
Ecozole 4% w/w Premix for Medicated Feeding Stuff
POM-VPSChanelle Pharmaceuticals Manufacturing Ltd
Alternative options to consider
Retailers we earn a commission from. It costs you nothing and never changes what we show.
Wormers for Dogs
Drontal, Milbemax, Panacur and generic wormers for dogs. Dispensed by a UK registered pharmacy.
Pet Wormers at Pharmacy2U
Drontal, Milbemax and own-brand wormers dispensed by the UK's largest online pharmacy.
VetBox Flea & Worm Protection for Dogs
Vet-founded monthly parasite subscription. Flea, tick and worm protection delivered to your door. Founded by Dr Will Woodley, protecting 30,000+ pets.
We may earn a small commission if you purchase through these links, at no extra cost to you.
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