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AVM-GSL Over the Counter Companion Animal

Bob Martin Clear Wormer 20 mg Spot-on Solution for Cats and Kittens

Active ingredient: Praziquantel

Form

Spot-on

Species

Cats

Manufacturer

Pets Choice Healthcare Limited

VMD MA No.

61560/3000

What it's used for

For the treatment of tapeworms of cats. The product is effective against mature and immature forms of Dipylidium caninum and Taenia effective against

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

  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 mg Spot-on Solution for Cats and Kittens — SPC Details

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

For the treatment of tapeworms of cats. The product is effective against mature and
immature forms of Dipylidium caninum and Taenia
effective against
Do not use on cats weighing less than 1 kg bodyweight.
Do not use in cases of hypersensitivity to the active substance or to any of the
excipients.
On very rare occasions a transient local reaction such as scurf (flaking skin) or mild
exudation (weeping) may be observed at the application site following treatment.
On very rare occasions salivation may occasionally occur if the cat licks the
application site immediately after treatment, as the product is bitter tasting. This is
not a sign of intoxication and disappears after a short time without treatment.

Revised: October 2025
AN: 02138/2025Page 3 of 6
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).
Do not allow recently treated animals to groom each other.

Revised: October 2025
AN: 02138/2025Page 2 of 6

i) Special precautions for use in animals
Care should be taken to avoid the contents of the tube coming into contact with the
eyes or mouth of the recipient animal.
For external use only.
ii) Special precautions to be taken by the person administering the medicinal
product to animals
This product can be irritant to the skin and eyes.
Care should be taken to prevent contact of the solution with the skin, eyes and
mouth, including hand-to eye and hand-to mouth contact.
If contact with the skin occurs, wash off any skin contamination with soap and water
immediately.
If accidental contact occurs with the eyes, flush the affected eyes thoroughly with
clean fresh water.
In the event of skin or eye contact, seek medical advice if irritation persists and show
the Doctor this package.
In case of accidental ingestion, seek medical advice immediately and show the
package leaflet or label to the physician.
Laboratory studies with the excipient N-methyl-2-pyrrolidone in rabbits and rats have
shown evidence of teratogenic, foetotoxic, maternotoxic and reprotoxic effects. Avoid
direct contact with the product and application site.
Do not stroke or groom animals until area of application is dry (at least 1 hour after
application).
Wash hands thoroughly after use.
Do not eat, drink or smoke during application.
Store away from food, drink or animal feedingstuffs.
iii) Other precautions
Echinococcosis represents a hazard for humans. As Echinococcosis is a notifiable
disease to the World Organisation for Animal Health (OIE), specific guidelines on the
treatment and follow-up, and on the safeguard of persons, need to be obtained from
the relevant competent authority (e. g. experts or institutes of parasitology). If the cat
has visited areas where spp. are prevalent, a veterinarian should be
consulted.
Keep recently treated pets away from varnished, polished, plastic or leather surfaces.
No incompatibility has been observed between this product at the recommended
dose and a range of common veterinary treatments.
Store away from food, drink and animal feeding stuffs.
Do not store above 25°C.
Store in a dry place in the original package.

Revised: October 2025
AN: 02138/2025Page 6 of 6
Not applicable as the product is not indicated for the treatment of food producing
animals.
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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