Capstar 57 mg Tablets for Large Dogs
Active ingredient: Nitenpyram
Form
Tablet
Species
Manufacturer
Elanco GmbH
VMD MA No.
52127/5088
What it's used for
Treatment of flea infestations (C. felis).
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 Nitenpyram
-
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.
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Capstar 57 mg Tablets for Large Dogs — SPC Details
Source: VMD Summary of Product Characteristics (SPC). Last updated 18 Mar 2026.
Very rare
(<1 animal / 10,000 animals treated,
including isolated reports):
Excessive chewing, licking and/or
grooming
,
Hyperactivity, Vocalisation
Neurological signs (e.g., muscle
tremor, ataxia, convulsion)
Panting
Increased scratching
1
Transient
For the first hour following administration; presumably caused by flea
response to the veterinary medicinal product.
Reporting adverse events is important. It allows continuous safety monitoring of
a veterinary medicinal product. Reports should be sent, preferably via a
veterinarian, to either the marketing authorisation holder or its local
representative or the national competent authority via the national reporting
system. See the package leaflet for respective contact details.
(i) Special precautions for use in animals
Do not use on dogs weighing less than 11 kg.
Revised: April 2025
AN: 04446/2024
(ii) Special precautions to be taken by the person administering the
veterinary medicinal product to animals
None.
Special precautions for the protection of the environment:
Not applicable.
nitenpyram was administered with other veterinary medicinal products including
commonly used flea products, anthelmintics, vaccines or antibiotics.
Revised: April 2025
AN: 04446/2024
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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Related Conditions
Other Products Containing Nitenpyram
These products share the same active ingredient and may be suitable alternatives. Always consult your vet.
Beaphar Flea 11.4 mg Tablets for Cats
AVM-GSLElanco Europe Ltd
Beaphar Flea 11.4 mg Tablets for Small Dogs
AVM-GSLElanco Europe Ltd
Beaphar Flea 57 mg Tablets for Medium & Large Dogs
AVM-GSLElanco Europe Ltd
Bob Martin Clear Flea 11.4mg Tablets for Cats, Small Dogs and Puppies
AVM-GSLElanco Europe Ltd
Bob Martin Clear Flea 57mg Tablets for Large Dogs
AVM-GSLElanco Europe Ltd
Capstar 11.4 mg Tablets for Cats and Small Dogs
AVM-GSLElanco GmbH
Alternative options to consider
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Flea & Tick Treatments for Dogs
Vet-strength flea and tick treatments at pharmacy prices. Frontline, Advocate, Bravecto, Nexgard and more.
Pet Flea Treatments at Pharmacy2U
Frontline, Advantage and own-brand flea treatments at pharmacy prices. Trusted UK pharmacy since 1999.
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.
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