Johnson’s One Dose Wormer for Dogs 500mg Film-coated Tablets
Active ingredient: Nitroscanate
Form
Tablet
Species
Manufacturer
Chanelle Pharmaceuticals Manufacturing Ltd
VMD MA No.
08749/3074
What it's used for
For the treatment of the following nematodes (roundworms) and cestodes (tapeworms): Nematodes:Toxocara canis, Toxascaris leonina, Uncinaria stenocephala, A...
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 Nitroscanate
-
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.
Done — we'll email you when prices land.
Johnson’s One Dose Wormer for Dogs 500mg Film-coated Tablets — SPC Details
Source: VMD Summary of Product Characteristics (SPC). Last updated 26 Mar 2026.
(tapeworms): Nematodes:Toxocara canis, Toxascaris leonina, Uncinaria
stenocephala, Ancylostoma caninum. Cestodes: Taenia hydatigena, Taenia
pisiformis, and Dipylidium caninum.
is equivalent to 1 x 500 mg tablet per 10 kg (22 lb) bodyweight.
Revised: October 2025
AN: 01766/2025
The product should be administered orally in the morning after overnight fasting with
approximately one-fifth of the daily food ration. To reduce the risk of vomiting, it is
recommended that the remaining food ration is withheld for 8 hours afterwards.
your pet is sick or recovering from an illness. Do not use in known cases of
hypersensitivity to the active substance or to any of the excipients. If a
hypersensitivity reaction occurs treatment should be discontinued.
Revised: October 2025
AN: 01766/2025
diarrhoea); systemic sign (lethargy) and neurological sign (ataxia) have been
observed very rarely.
The frequency of adverse reactions is defined using the following convention:
- very common (more than 1 in 10 animals treated displaying adverse reaction(s))
- common (more than 1 but less than 10 animals in 100 animals treated)
- uncommon (more than 1 but less than 10 animals in 1,000 animals treated)
- rare (more than 1 but less than 10 animals in 10,000 animals treated)
- very rare (less than 1 animal in 10,000 animals treated, including isolated reports).
Since the most common tapeworm of the dog (Dipylidium caninum) is transmitted by
a flea and has a very short pre-patent period, it is important to pay attention to flea
control to reduce the incidence of tapeworm in your pet.
It is important to worm young puppies very regularly for roundworm with a suitable
product. Johnson’s One Dose Wormer for Small Dogs and Puppies 100 mg Film-
Coated Tablets can be used at 12, 16, and 24 weeks of age. An alternative worming
product must be used in younger puppies.
Nursing bitches should be treated at 2, 4, 6, 8 and 12 weeks after whelping.
Thereafter the adult worming regime of 2 - 4 times a year is recommended.
If symptoms of disease persist or appear, consult your veterinary surgeon.
Special precautions for use in animals
Is irritant, tablets should not be broken. The product should not be administered to
puppies less than 12 weeks old, owing to the need to restrict food intake at the time
of administration. See also section 4.9.
Special precautions to be taken by the person administering the veterinary
medicinal product to animals
This product can be an irritant to the skin and eyes. Tablets are film-coated and
should not be broken or divided.
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.
Medication costs adding up?
Pet insurance can cover prescription medications. Find the right policy for your pet.
Other Products Containing Nitroscanate
These products share the same active ingredient and may be suitable alternatives. Always consult your vet.
Armitage Worm Away 100mg Film-coated Tablets for Dogs
NFA-VPSChanelle Pharmaceuticals Manufacturing Ltd
Armitage Worm Away 500mg Film-coated Tablets for Dogs
NFA-VPSChanelle Pharmaceuticals Manufacturing Ltd
Beaphar Easy One Dose Wormer for Medium and Large Dogs, 500 mg Film-Coated Tablets
AVM-GSLSinclair Animal and Household Care Ltd
Beaphar Easy One Dose Wormer for Small Dogs, 100 mg Film-Coated Tablets
AVM-GSLSinclair Animal and Household Care Ltd
Beaphar One Dose Dog Wormer 500 mg Nitroscanate Film-coated Tablets
AVM-GSLChanelle Pharmaceuticals Manufacturing Ltd
Beaphar One Dose Dog Wormer 500 mg Nitroscanate Film-coated Tablets
AVM-GSLChanelle 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.
Related Medications
Aderexa 12.5 mg/125 mg Chewable Tablets for Dogs Weighing at Least 5 kg
POM-VMilbemycin Oxime (A3 and A4) + Praziquantel
Aderexa 2.5 mg/25 mg Chewable Tablets for Small Dogs and Puppies Weighing at Least 0.5 kg
POM-VMilbemycin Oxime (A3 and A4) + Praziquantel
Albacert 2.5% w/v SC Oral Suspension
POM-VPSAlbendazole
Albacert 2.5% w/v SC Oral Suspension
POM-VPSAlbendazole
Albex 10% w/v Oral Suspension
POM-VPSAlbendazole
Albex 10% w/v Oral Suspension
POM-VPSAlbendazole
Find cheaper vets near you
Compare vet consultation prices in your area. Save on procedures and get a prescription to buy medications online.