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POM-V Prescription Required Companion Animal

Simparica Trio Chewable Tablets for Dogs >20–40 kg

Active ingredients: Moxidectin, Pyrantel, Sarolaner

Form

Chewable

Species

Dogs

Manufacturer

Zoetis UK Limited

VMD MA No.

42058/5056

What it's used for

veterinary medicinal product is exclusively indicated when use against ticks, fleas or mites and gastrointestinal nematodes is indicated at the same time....

Full indications, dosage and side effects ↓
View official SPC (PDF)

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£27.99

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Prescription required

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Clinical information

Simparica Trio Chewable Tablets for Dogs >20–40 kg — SPC Details

Source: VMD Summary of Product Characteristics (SPC). Last updated 27 Mar 2026.

veterinary medicinal product is exclusively indicated when use against ticks, fleas or
mites and gastrointestinal nematodes is indicated at the same time. The veterinary
medicinal product provides concurrent efficacy for the treatment and prevention of
angiostrongylosis and the prevention of heartworm disease and thelaziosis.
Ectoparasites:

immediate and persistent tick killing activity for 5 weeks against
hexagonus, Ixodes ricinus Rhipicephalus sanguineus and for 4 weeks
against ;
Ctenocephalides felis and Ctenocephalides
canis). The veterinary medicinal product has immediate and persistent flea killing
activity against new infestations for 5 weeks;

the control of flea allergy dermatitis (FAD);
Sarcoptes scabiei var. canis);
Demodex canis).
Gastrointestinal nematodes:
For the treatment of gastrointestinal roundworm and hookworm infections:
immature adults (L5) and adults;
 L4 larvae, immature adults (L5) and adults;
adults;
adults.
Other nematodes:
Dirofilaria immitis);

immature adult (L5) stages of Angiostrongylus vasorum;
Angiostrongylus vasorum;
Thelazia callipaeda
eyeworm infection).
For reduction of the risk of infection with Dipylidium caninum via transmission by
Ctenocephalides felis for one month after treatment. The effect is indirect due to
product’s activity against the vector.
Dose
The veterinary medicinal product should be administered at a dose of 1.2–2.4 mg/kg
of sarolaner, 0.024–0.048 mg/kg of moxidectin and 5–10 mg/kg of pyrantel in
accordance with the following table:
Bodyweight (kg)Tablet strength
48 mg/0.96 mg/200 mg
>20–40 kg1
To ensure a correct dosage, body weight should be determined as accurately as
possible.
Underdosing could result in ineffective use and may favour resistance development.
Method of administration
Tablets can be administered with or without food.
Simparica Trio tablets are palatable and readily consumed by the majority of dogs
when offered by the owner. If the tablet is not taken up voluntarily by the dog it can
also be given with food or directly into the mouth. The tablets should not be divided.
Treatment schedule:
The treatment schedule should be based on veterinary diagnosis, the local
epidemiological situation and/or the epidemiological situation of other areas the dog
has visited or is going to visit. If based on veterinarian opinion re-administration(s) of
the product is required, any subsequent administration(s) must follow the minimum 1-
month interval schedule.
The product should only be used in dogs when treatment of ticks / fleas / mites and
gastrointestinal nematodes is indicated at the same time. In the absence of the risk of
mixed co-infestation, a narrower spectrum parasiticide should be used.
Treatment of flea and tick infestations and gastrointestinal nematodes:
The veterinary medicinal product can be used as part of the seasonal treatment of
fleas and ticks (replacing treatment with a mono-active flea and tick product) in dogs
with diagnosed concurrent gastrointestinal nematode infections.
A single treatment is efficacious for the treatment of gastrointestinal nematodes.
After treatment of the nematode infections, further flea and tick treatment should be
continued with a mono-active product.
Prevention of heartworm disease and angiostrongylosis:
A single administration also prevents lungworm disease (by reducing the immature
adults (L5) of A. vasorum) and heartworm disease (D. immitis) for one month. When
the product replaces another lungworm or heartworm preventive product, the first
dose of the product should be given within a month of the last dose of the former
veterinary medicinal product. In endemic areas, dogs should receive lungworm
and/or heartworm preventive treatments at monthly intervals. It is recommended that
heartworm prevention treatment should be continued until at least 1 month after the
last exposure to mosquitoes.
Treatment of angiostrongylosis (caused by Angiostrongylus vasorum):
A single dose should be administered. A further veterinary examination 30 days after
treatment is recommended as some animals may require a second treatment. A
further assessment should then be carried out following the second treatment.
Continued monitoring should be performed as appropriate for each case.
Prevention of establishment of thelaziosis (adult Thelazia callipaeda eyeworm
infection):
Monthly administration of the product prevents establishment of infection with adult
Thelazia callipaeda eyeworm.
Treatment of demodicosis (caused by Demodex canis):
Administration of a single dose once monthly for two consecutive months is
efficacious and leads to a marked improvement of clinical signs. Treatment should be
continued until skin scrapings are negative on at least two consecutive occasions
one month apart. As demodicosis is a multifactorial disease, it is advisable to also
treat any contributing, underlying conditions appropriately.
Treatment of sarcoptic mange (caused by Sarcoptes scabiei var. canis):
Administration of a single dose at monthly intervals for two consecutive months.
Further monthly administrations of the product may be required based on clinical
assessment and skin scrapings.
Do not use in cases of hypersensitivity to the active substances or to any of the
excipients.
Dogs:
Very rare
(<1 animal / 10,000 animals treated,
including isolated reports):
Gastrointestinal signs (such as vomiting,
diarrhoea)
Systemic disorders (such as lethargy,
anorexia)
Neurological signs (such as tremor,
ataxia, convulsions)
1
In most cases these signs are mild and transient.
In most cases these signs are transient.
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 the national competent authority via the
national reporting system. See the package leaflet for respective contact details.
Ticks and fleas need to start feeding on the host to become exposed to sarolaner;
therefore, the transmission of infectious parasite-borne diseases cannot be excluded.
This veterinary medicinal product is not effective against adult D. immitis. However,
accidental administration to dogs infected with adult heartworms should not pose
safety concerns. Dogs in areas endemic for heartworm (or those which have travelled
to endemic areas) may be infected with adult heartworms. Maintenance of the
efficacy of macrocyclic lactones is critical for Dirofilaria immitis control. To minimise
the risk of resistance selection, it is recommended that dogs should be checked for
both circulating antigens and blood microfilariae at the beginning of each season of
preventative treatment. Only negative animals should be treated.
Unnecessary use of antiparasitics or use deviating from the instructions given in the
SPC may increase the resistance selection pressure and lead to reduced efficacy.
The decision to use the product should be based on confirmation of the parasitic
species and burden, or of the risk of based on its epidemiological features, for each
animal.
Parasite resistance to any particular class of parasiticides may develop following the
frequent, repeated use of a product of that class. Therefore, the use of this product
should be based on the assessment of each individual case and on local
epidemiological information about the current susceptibility of the target species in
order to limit the possibility of a future selection for resistance.
The possibility that other animals in the same household can be a source of re-
infection should be considered, and these should be treated as necessary with an
appropriate product.

Special precautions for safe use in the target species:
In the absence of available data, treatment of puppies less than 8 weeks of age
and/or dogs less than 1.25 kg bodyweight should be based on a benefit-risk
assessment by the responsible veterinarian.
The product was well tolerated in dogs with a deficient multidrug-resistance-protein 1
(MDR1 -/-).
However, in such sensitive breeds (which may include, but not necessarily limited to,
Collies and related breeds), the recommended dose should be strictly observed.
Special precautions to be taken by the person administering the veterinary medicinal
product to animals:
Wash hands after handling the product.
The accidental ingestion of the product may potentially result in adverse effects, such
as transient excitatory neurological signs. To prevent children from accessing the
product, only one chewable tablet at a time should be removed from the blister pack
and only when required. The blister pack should then be returned into the carton
immediately after use and the carton should be stored out of the sight and reach of
children. In case of accidental ingestion, seek medical advice immediately and show
the package leaflet or the label to the physician.
Special precautions for the protection of the environment:
Not applicable.
None known.
Macrocyclic lactones including moxidectin have been shown to be substrates for p-
glycoprotein. Therefore, during treatment with the veterinary medicinal product, other
products that can inhibit p-glycoprotein (e.g. cyclosporine, ketoconazole, spinosad,
verapamil) should only be used concomitantly according to the benefit-risk
assessment of the responsible veterinarian.
Store below 30 °C.
Not applicable.

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.

Price comparison

Simparica Trio Chewable Tablets for Dogs >20–40 kg Prices by Online retailer

Simparica Trio Chewable Tablets for Dogs >20–40 kg is a prescription-only veterinary medicine (POM-V). Prices are listed for information, with every retailer shown on equal terms. To buy it online you need a written prescription from your vet, which the retailer will ask for at checkout. Under the CMA Order your vet must provide one on request, with the fee capped at £21 from 2027. Your prescription rights →

Price Comparison

VetMedi
£27.99
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VetUK
£28.49
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Animed Direct
£28.99
Trustpilot: 4.6/5 (354,000 reviews) · 3
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Pet Drugs Online
£30.49
Trustpilot: 2.5/5 (500 reviews) · 3
In stock
The Pharm Pet Co
£31.99

Prices last checked: 7 months ago. Prices may vary. Always confirm with the online retailer before ordering.

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