Quantex 20 mg Spot-on Solution
Active ingredient: Praziquantel
Form
Spot-on
Species
Manufacturer
Vetoquinol UK Limited
VMD MA No.
08007/5048
What it's used for
For the treatment of tapeworms of cats. The product is effective against mature and immature forms of also effective against
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 Praziquantel
-
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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Quantex 20 mg Spot-on Solution — SPC Details
Source: VMD Summary of Product Characteristics (SPC). Last updated 26 Mar 2026.
and immature forms of
also effective against
The minimum dose rate is 8 mg/kg bodyweight, which equates to 1 tube per
2.5 kg bodyweight.
BodyweightNumber of
Tubes
Quantity of
Praziquantel
mg/kg bw1 - 2.5 kg1 20 mg8 - 20>2.5 - 5 kg240 mg8 - 16>5 kg360 mgmaximum 12
Underdosing could result in ineffective use and may favour resistance
development.
Method of Administration
Remove one tube from the package. Hold tube in an upright position, twist and
pull off cap. Use reversed cap to twist and remove seal from tube.
Part the hair on the cat's neck at the base of the skull until the skin is visible.
Place the tip of the tube on the skin and squeeze firmly several times to empty
the contents directly onto the skin. Application at the base of the skull will
minimise the opportunity for the cat to lick the product.
Revised: December 2025
MA split from NI Expiry following AN: 02274/2025
To minimise the possibility of run-off after application of more than one pipette,
it is advised that the applications should be performed slowly to allow
absorption and that it may be advisable to allow the contents of the previous
pipette to be absorbed before applying another.
Tapeworm infestation is certain to re-occur unless control of intermediate hosts
such as fleas, mice etc. is undertaken.
Flea control: flea infestations can be controlled by the regular use of effective
flea control remedies.
Mice control: if cats roam and hunt, contact with, and consumption of, mice and
subsequent re-infestation with Taenia taeniaeformis is impossible to prevent.
It is recommended to re-apply the product when signs of tapeworm infestation
re-appear or at monthly intervals.
excipients.
Do not use on cats weighing less than 1 kg bodyweight.
Revised: December 2025
MA split from NI Expiry following AN: 02274/2025
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 user or the recipient animal.
For external use only.
ii) Special precautions to be taken by the person administering the veterinary
medicinal product to animals
Laboratory studies in rabbits and rats with the excipient N-methyl
pyrrolidone have shown evidence of foetotoxic effects. The veterinary
medicinal product should not be administered by pregnant women and
women suspected of being pregnant. Personal protective equipment
consisting of gloves should be worn when handling the veterinary medicinal
product by women of childbearing age.
This product can be irritant to the skin and eyes.
Care should be taken to prevent contact of the solution with the skin or
eyes.
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.
Do not stroke or groom animals until area of application is dry (typically
around 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
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.
recommended dose and a range of common veterinary treatments.
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 Praziquantel
These products share the same active ingredient and may be suitable alternatives. Always consult your vet.
Aderexa 12.5 mg/125 mg Chewable Tablets for Dogs Weighing at Least 5 kg
POM-VKRKA, d.d., Novo mesto
Aderexa 2.5 mg/25 mg Chewable Tablets for Small Dogs and Puppies Weighing at Least 0.5 kg
POM-VKRKA, d.d., Novo mesto
Aloquantel Ivermectin and Praziquantel Oral Gel for Horses
POM-VPSVirbac
Alpramil 12 mg/30 mg Film-coated Tablets for Cats Weighing at Least 3 kg
POM-VAlfasan Nederland B.V.
Alpramil 12 mg/30 mg Film-coated Tablets for Cats Weighing at Least 3 kg
POM-VAlfasan Nederland B.V.
Alpramil 12.5 mg/125 mg Tablets for Dogs Weighing at Least 5 kg
POM-VAlfasan Nederland B.V.
Alternative options to consider
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Wormers for Cats
Drontal, Milbemax, Panacur and generic wormers for cats. Pharmacy-dispensed, vet-equivalent strength.
Pet Wormers at Pharmacy2U
Drontal, Milbemax and own-brand wormers dispensed by the UK's largest online pharmacy.
VetBox Flea & Worm Protection for Cats
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
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