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Granofen Wormer for dogs and cats contains Fenbendazole, the trusted multi-wormer which is mild and safe to use on your pet, but lethal to most common species of worm. Roundworms, lungworms and most breeds of tapeworms are killed by Granofen. It is supplied in sachets which contain small, flavourless granules to be added to food. A small amount of a tasty treat will encourage most cats and dogs to take Granofen with ease. Supplied in 1, 2 and 4g sachets to treat animals of different sizes.
Below is the product datasheet. This has been provided by the manufacturer and should always be provided with the medication.
Company name: Virbac Limited
Address: Woolpit Business Park
Windmill Avenue
Woolpit
Bury St Edmunds
Suffolk
IP30 9UP
Telephone: 01359 243243
Fax: 01359 243200
Website: www.virbac.co.uk
A 22% granule formulation of fenbendazole as a ready to administer oral anthelmintic for dogs and cats. 1g Granofen Wormer for Dogs and Cats contains 0.22g active ingredient fenbendazole. Sachets of 1, 2 and 4g are available.
A broad spectrum anthelmintic for the treatment of domestic dogs and cats infected with immature and mature stages of nematodes of the gastro-intestinal and respiratory tracts. Granofen also has an ovicidal effect on nematode eggs.
Adult dogs and cats
For the treatment of adult dogs and cats infected with gastro-intestinal nematodes and cestodes: Ascarid spp (Toxocara canis, Toxocara catis and Toxocara leonina), Ancylostoma spp, Trichuris spp, Uncinaria spp and Taenia spp
Puppies and kittens
For the treatment of weaned puppies and kittens infected with gastro-intestinal nematodes.
Pregnant bitches
For the treatment of pregnant bitches to reduce prenatal infections of Toxocara canis and the transfer of T canis and A caninum to their pups via the milk.
Also for the treatment of dogs infected with lungworm Oslerus (Filaroides) osleri, and cats infected with lungworm Aelurostrongylus abstrusus.
Routine treatment of dogs and cats:
Administer 1g Granofen Wormer for Dogs and Cats per 2.2kg(5lb) body weight as a single dose (100mg fenbendazole/kg bodyweight).
Practical dosage recommendations:
| 2.2 to 4.4kg | (5-10lb) | 2grams |
| 4.5 to 8.8kg | (10-20lb) | 4grams |
| 8.9 to 13.2kg | (20-30lb) | 6grams |
| 13.3 to 22kg | (30-50lb) | 10grams |
| 22.1 to 35.2kg | (50-80lb) | 16grams |
| 35.3-50kg | (80-110lb) | 22grams |
For dogs weighing over 50kg (110lb) an extra 1g is required for each additional 2.2kg bodyweight.
The dose should be administered by mixing into the feed.
Treatment should be repeated when natural reinfection with parasitic worms occur. Routine treatment of adult animals with minimal exposure to infection is advisable 2 to 4 times per year. More frequent treatment, at 6 to 8 weekly intervals is advisable for dogs in kennels.
Weaned puppies and kittens under six months of age:
Administer 1g Granofen Wormer for Dogs and Cats per 4.4kg (10lb) bodyweight daily for 3 consecutive days mixed into the feed (50mg fenbendazole/kg bodyweight daily for 3 days).
Practical dosage recommendations:
| 2.2 to 4.4kg | (5-10lb) | 1 gram daily for 3 days |
| 4.5 to 8.8kg | (10-20lb) | 2 grams daily for 3 days |
| 8.9 to 13.2kg | (20-30lb) | 3 grams daily for 3 days |
| 13.3 to 22kg | (30-50lb) | 5 grams daily for 3 days |
For dogs/puppies weighing over 22kg (50lb), an extra 1g is required daily for each additional 4.4kg (10lb) bodyweight.
Puppies should be treated at 2 weeks of age, 5weeks of age and again before leaving the breeder’s premises.
Treatment may also be required at 8 and 12 weeks of age. Thereafter, frequency of treatment can be reduced unless the pups remain in kennels where reinfestation occurs more readily.
Pregnant bitches: 1g Granofen Wormer for Dogs and Cats per 8.8kg (20lb) bodyweight daily from day 40 of pregnancy continuously to 2 days post-whelping (approximately 25 days) (25mg fenbendazole/kg bodyweight daily).
Practical dosage recommendations:
| 8.8kg | (20lb) | 1g daily for approx 25 days |
| 17.6kg | (40lb) | 2g daily for approx 25 days |
| 26.4kg | (60lb) | 3g daily for approx 25 days |
| 35.2kg | (80lb) | 4g daily for approx 25 days |
| 45kg | (100lb) | 5g daily for approx 25 days |
For bitches weighing over 45kg, an extra 1g is required daily for each additional 8.8kg (20lb) bodyweight.
Increasing dosing for specific infections: For the control of lungworm Oslerus (Filaroides) osleri in dogs administer 1g Granofen Wormer for Dogs and Cats per 4.4kg (10lb) bodyweight daily for 7 consecutive days (50mg fenbendazole/kg bodyweight daily for 7 days).
A repeat course of treatment may be required in some cases.
For the control of lungworm Aelurostrongylus abstrusus in cats administer 0.4g Granofen Wormer for Dogs and Cats per 4.4kg (10lb) bodyweight daily for 5 consecutive days (20mg fenbendazole/kg bodyweight for 5 days).
For the treatment of clinical worm infestations in dogs and cats administer 1g Granofen Wormer for Dogs and Cats per 4.4kg (10lb) bodyweight daily for 3 consecutive days (50mg fenbendazole/kg bodyweight daily for 3 days).
Operator warnings
Direct contact with the skin should be kept to a minimum. Avoid inhalation of dust. Wash hands after use.
Environmental warnings
Dispose of used containers and sachets safely.
For animal treatment only.
Not to be used in cases of known hypersensitivity to the active ingredient
Keep out of the reach of children. Assess bodyweight as accurately as possible before calculating the dosage.
Store in a dry place.
NFA-VPS
Cartons of 180 × 1g, 120 × 2g sachets, 100 × 4g sachets.
Fenbendazole belongs to the benzimidazole (1-BZ) class of anthelmintics.
Vm 11188/4003
All prices include VAT where applicable.
Under almost all products on our website is an Estimated dispatch time, check this for a delivery prediction specific to the item you are looking to purchase. These badges are updated live based on the stock levels we have and also those of our suppliers - so are usually very accurate, but cannot be guaranteed. In more general terms, we aim to dispatch all orders within 1 working day of receiving payment (and a prescription if required). If we cannot do so within 3 working days we will contact you by email.
For UK delivery, we charge the following:
| Order Total | Weight | Delivery |
| £0-£28.99 | Under 2kg | £2.99 |
| 2kg+ | £4.99 | |
| £29-£38.99 | Under 2kg | Free |
| 2kg+ | £4.99 | |
| £39+ | Under 2kg | Free |
| 2kg+ | Free |
Prices quoted are for delivery to all parts of mainland UK except certain Scottish postcodes (where the price is higher for items sent by courier. Delivery of food abroad (including Channel Islands, N. Ireland and other islands around the UK) is charged at a higher price and free delivery is not available. Temperature controlled products, such as Insulin, are also not always subject to the standard and/or free delivery options.
For full information on our delivery charges, including prices on heavy deliveries to Scotland and abroad, see our delivery information page.
We can deliver most items to all around the world, but prices do vary. The majority of light weight orders (less than 1.5kg) can be delivered for a flat rate of £10. For an accurate estimate of the delivery charge, please put the items you require in your basket and use the "Estimate Delivery" system on the shopping basket page (you only need to enter your country and postal/zip code) for a quick quote. For deliveries to the USA you may need to go to the checkout page and enter your full address to get a quote (as some services need your state in order to quote too). For more information on international deliveries, please see our delivery information page.
Due to air freight restrictions aerosols cannot ever be sent abroad by Royal Mail. We appreciate your understanding.
Some products, such as insulin and frozen food, need to be delivered in insulated packaging to prevent them from getting too warm (or too cold) during transit from us to you. Purchasing any of these items in your order will result in a £1.99 charge being added to the total to cover the high cost of the insulated packaging materials. You only pay the £1.99 once per order, regardless of how many temperature controlled items you purchase in that order.
Please call us as soon as possible if you need to amend or cancel an order on 01582 842096. If your order has been processed for dispatch we will be unable to cancel or amend the order. You will however be able to return your product for a full refund*.
To return an item, you must contact us by phone or email to arrange this BEFORE posting any product back to us. We will explain the process at this stage for you.
*For full details on returns, see our terms and conditions page.
Below are some recent questions we've received regarding Granofen Worming Granules for Dogs & Cats, including answers from our team.
Caz
Is this completely safe for cats? My cats ages range from 3 years to 8 years. Worm tablets they hate and Simba has skin reactions to spot on treatments. Thanks.
Hi Caz,
Thank you for your query.
Absolutely - the Granofen sachets contain flavourless granules which treat the common Roundworm, Lungworm and most breeds of Tapeworm. They are more than safe to give to both cats and dogs providing the suitable dose is given.
I hope this helps.
Elanor Weber
If I want to treat lung worms and the rest do I give the one larger dose for the tape worms etc followed by the smaller doses for lung worm over the following days? Sorry to be dence!
Hi Elanor,
You will only need to give your dogs the 7 day course for lungworm, as this provides an elevated dose which will also be effective against other types of worms that may be present. So you will just need to administer 1g Granofen Wormer per 4.4kg (10lb) bodyweight daily for 7 consecutive days.
Granofen is not effective against all types of tapeworm, so if you know that your dogs are infected with Dipylidium caninum (spread by infected fleas), you will need to treat them with a product containing praziquantel, such as Droncit tablets.
I hope this has been useful!
Lema
How much of this product should i give my 4 month old puppy who weighs 19.5 kilos
Hi Lema, your puppy would need 5 grams daily for three consecutive days. When your puppy is over 6 months old, they will not need a 3 day course, but the dose will change so please feel free to get in touch next time you need to worm.
Jon griffiths
My 2 cats have worms. They have had granuals but can you tell me how long it will take them to kill the worms
The active ingredient in Granofen blocks the absorption of nutrients in the worms and essentially starves them to death. The effects will start as soon as the worms come into contact with Granofen in the gut but they may take a few days to be killed and release their hold on the gut wall. They should then be passed out in the faeces.
Granofen doesn't remain in the gut long term, so any worms picked up after the day of the treatment will not be affected. Routine worming every 1-3 months is recommended.
Not all worms are killed by this wormer though, and the most common type of tapeworm in cats is picked up by ingesting fleas while grooming or eating flea-infested prey, so if your cats spend a lot of time outside and are good hunters, routine flea treatment will be key to preventing this type of tapeworm. Effipro Cat Pipettes have the same active ingredients as the leading brand Frontline but can be bought in singles if more convenient.
If you think that your cats may have picked up tapeworm from fleas, you can use Droncit which targets tapeworm only or Drontal which as three ingredients to target all major species.
Betsy Speer
Hi,
I have been giving my dog Drontal and the other day my vet mentioned she should be getting something for Lungworm. We've never had flea and/or tick problems so I have not been treating her for that which i understand those medications include Lungworm preventative.
My question is can I give Granofen in place of Drontal to cover all the worms?
thank you,
betsy
Lungworm is a difficult one. The simple answer to your question is no. Granofen works very well for most worms and is active against lungworm but only on the day you give the dose. For most worms, this "pulse" therapy is adequate. However it means that a worm can start to develop on the day after the worm dose, until the next dose. Any developing lungworm larvae could cause trouble before you give the next dose, or at the time they are killed by the next dose. The ideal treatment for lungworm therefore is given every day. This would not be sensible with Granofen. The topical prescription wormers (like Advocate) are slowly released and so are active every day for about a month. This makes them better for lungworm and heartworm than traditional worm treatments. These worms are still rare in the UK, but that is probably changing. If you are concerned about lungworm, Advocate is probably the best wormer. It needs a prescription and is effective against fleas and some other parasites too. (It is not effective against ticks.)
