Simparica Trio Chewable Tablets for Dogs >2.5–5 kg
Active ingredients: Moxidectin, Pyrantel, Sarolaner
Form
Chewable
Species
Manufacturer
Zoetis UK Limited
VMD MA No.
42058/5055
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....
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Prescription required
Your vet must provide a written prescription on request. You can then purchase from any licensed online retailer.
Simparica Trio Chewable Tablets for Dogs >2.5–5 kg — SPC Details
Source: VMD Summary of Product Characteristics (SPC). Last updated 27 Mar 2026.
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:
For the treatment of tick infestations. The veterinary medicinal product has
immediate and persistent tick killing activity for 5 weeks against
Ixodes ricinus and Rhipicephalus sanguineus and for 4 weeks against
reticulatus;
For the treatment of flea infestations (Ctenocephalides felis and Ctenocephalides
canis
activity against new infestations for 5 weeks;
The veterinary medicinal product can be used as part of a treatment strategy for the
control of flea allergy dermatitis (FAD);
For the treatment of sarcoptic mange (caused by Sarcoptes scabiei var. canis);
For the treatment of demodicosis (caused by Demodex canis).
Gastrointestinal nematodes:
For the treatment of gastrointestinal roundworm and hookworm infections:
Toxocara canis immature adults (L5) and adults;
Ancylostoma caninum L4 larvae, immature adults (L5) and adults;
Toxascaris leonina adults;
Uncinaria stenocephala adults.
Other nematodes:
For the prevention of heartworm disease (Dirofilaria immitis);
For the prevention of angiostrongylosis by reducing the level of infection with
immature adult (L5) stages of Angiostrongylus vasorum;
For the treatment of Angiostrongylus vasorum;
For the prevention of establishment of thelaziosis (adult 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.
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
6 mg/0.12 mg/25 mg
>2.5–5 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.
excipients.
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.
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.
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.
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.
Simparica Trio Chewable Tablets for Dogs >2.5–5 kg Prices by Online retailer
Simparica Trio Chewable Tablets for Dogs >2.5–5 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 →
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Other Products Containing Moxidectin
These products share the same active ingredient and may be suitable alternatives. Always consult your vet.
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