Skip to content
AVM-GSL Over the Counter Companion Animal

Bob Martin Clear Wormer 20/230 mg Tablets for Cats & Kittens

Active ingredients: Praziquantel, Pyrantel Embonate

Form

Tablet

Species

Cats

Manufacturer

Vetoquinol UK Ltd

VMD MA No.

08007/5043

What it's used for

For the treatment of gastrointestinal roundworms and tapeworms: Toxocara cati, Toxascaris leonina, Dipylidium caninum, Taenia taeniaeformis.

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 Praziquantel + Pyrantel Embo...

  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.

Clinical information

Bob Martin Clear Wormer 20/230 mg Tablets for Cats & Kittens — SPC Details

Source: VMD Summary of Product Characteristics (SPC). Last updated 26 Mar 2026.

For the treatment of gastrointestinal roundworms and tapeworms:
Toxocara cati, Toxascaris leonina, Dipylidium caninum, Taenia taeniaeformis.
Dosage
The recommended dose rates are: 57.5 mg/kg pyrantel embonate and
5 mg/kg praziquantel. This is equivalent to 1 tablet per 4 kg bodyweight.
Dosing bands are:
Weight of cat 1 - 2 kg:½ tablet greater than 2 kg up to 4 kg:1 tablet greater than 4 kg up to 6 kg:1½ tablets greater than 6 kg:2 tablets

Revised: November 2025
MA split from NI Expiry following AN: 02263/2025Page 3 of 5
Administration and Duration of Treatment
Single oral administration. The tablet should be given directly to the animal, but if
necessary can be disguised in food.
Do not use simultaneously with piperazine compounds.
Do not use simultaneously with other deworming products without veterinary
advice.
Not intended for use in kittens less than 12 weeks of age.
Do not use during pregnancy.
Mild and transient digestive tract disorders such as hypersalivation and/or
vomiting and mild and transient neurological disorders such as ataxia may
occur in extremely rare cases.
There is no permanent treatment for worms. Veterinarians recommend that
weaned kittens over 12 weeks old and adult cats should be wormed every 3
months as a routine measure. It is also important to remove sources of
possible re-infection such as fleas and mice. If more frequent treatment is
required, or for advice on worming kittens less than 12 weeks old, consult a
veterinary surgeon or suitably qualified person.

Revised: November 2025
MA split from NI Expiry following AN: 02263/2025Page 2 of 5
As a precautionary measure to prevent the establishment of
multilocula
entering the country be treated with praziquantel.

i) Special precautions for use in animals
Not intended for use in cats weighing less than 1 kg bodyweight.
If signs of disease persist or appear, consult a veterinary surgeon.
ii) Special precautions to be taken by the person administering the
medicinal product to animals
In the interests of good hygiene, persons administering the tablets
directly to a cat, or by adding them to the cat’s food, should wash their
hands afterwards.
iii) Other precautions
None.
Do not use simultaneously with piperazine compounds.
Do not store above 25
Unused halved tablets should be disposed of in the household refuse and not
stored.
Do not remove tablets from strip packaging until required for use.
Not applicable.
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.

Compare insurance

Find cheaper vets near you

Compare vet consultation prices in your area. Save on procedures and get a prescription to buy medications online.