Simparica or Simparica Trio: which is a more suitable option for your dog’s parasite protection? While both products help safeguard your dog against common parasites, they don’t entirely offer the same level of protection. So, the question is which one is the better fit for your pet? Let’s dive in and compare both products so you can make an informed decision based on your pet’s specific coverage requirements.
Simparica vs. Simparica Trio – An Overview
Simparica for Dogs
Simparica is a highly effective, easy-to-use, monthly oral treatment that protects dogs and puppies from fleas and 6 tick species. According to the product label, this quick-action formula starts killing fleas within 3 hours of administration and demonstrates more than 90% efficacy against initial tick infestations within 48 hours of administration.
Key Specifications
- Rapid-action, monthly flea and tick treatment
- Flavored chews allow hassle-free administration
- Kills adult fleas and helps treat and prevent flea infestations
- Treats and controls tick infestations (American dog tick, Brown dog tick, Black-legged tick, Lone star tick, Gulf Coast tick, and Asian longhorned tick)
- Indicated for the prevention of Lyme disease as a direct result of killing black-legged ticks
- Suitable for dogs and puppies 6 months of age and older, weighing 2.8 lbs or greater
Simparica Trio for Dogs
Simparica Trio is a broad-spectrum, highly palatable, monthly oral treatment that protects dogs and puppies from fleas, ticks (6 species), heartworm disease, and intestinal worms. According to the product label, this triple-action formula starts killing fleas within 4 hours of administration and demonstrates more than 90% efficacy against existing tick infestations 48 hours post-administration.
Key Specifications
- Pork liver-flavored chews allow easy administration
- Kills adult fleas and treats and prevents flea infestations
- Reduces the risk of flea tapeworm infections by killing fleas
- Treats and controls tick infestations (American dog tick, Brown dog tick, Black-legged tick, Lone star tick, Gulf Coast tick, and Asian longhorned tick)
- Helps treat and control roundworm and hookworm infections
- Prevents heartworm disease
- Indicated for the prevention of Lyme Disease as a direct result of killing black-legged ticks
- Suitable for dogs and puppies 8 weeks of age and older, weighing 2.8 lbs or greater
Simparica & Simparica Trio – Similarities
Take a look at the commonalities between Simparica and Simparica Trio:
- Dosage frequency: Simparica and Simparica Trio are monthly treatments that offer protection for 30 days.
- Mode of administration: Both Simparica and Simparica Trio come in flavored chewable form that should be administered orally.
- Flea & tick protection: Simparica and Simparica Trio are effective against fleas and 6 tick species, including American dog tick, Brown dog tick, Black-legged tick, Lone star tick, Gulf Coast tick, and Asian longhorned tick.
- Lyme disease prevention: Both these treatments are indicated for the prevention of Lyme disease in dogs as a direct result of killing black-legged ticks.
- Minimum weight: Both treatments are suitable for dogs and puppies weighing 2.8 lbs or greater.
- Safety: The safety of both these treatments has not yet been evaluated for use in pregnant, breeding, and lactating dogs.
Simparica & Simparica Trio – Key Differences
Take a look at the key differences between Simparica and Simparica Trio:
- Active ingredients: The primary difference between the treatments is their composition. Simparica contains a single ingredient – Sarolaner, whereas Simparica Trio is formulated with three ingredients – Sarolaner, Moxidectin, and Pyrantel.
- Other parasites: Simparica Trio helps treat and control roundworm and hookworm infections in dogs, while Simparica is not effective against these parasites.
- Heartworm disease prevention: Simparica Trio is indicated for the prevention of heartworm disease, whereas Simparica does not prevent heartworm disease.
- Minimum age: Simparica is suitable for dogs and puppies 6 months of age and older, while Simparica Trio is recommended for dogs and puppies 8 weeks of age and older.
Simparica vs. Simparica Trio – Comparison Table
The following comparison table shows the comparison of the characteristics of both these products:

Simparica or Simparica Trio – Which one is appropriate for your dog?
Simparica and Simparica Trio are convenient and effective chewable treatments that offer flea and tick (American dog tick, Brown dog tick, Black-legged tick, Lone star tick, Gulf coast tick, and Asian longhorned tick) protection to dogs and puppies for a month. Moreover, their availability in a flavored chewable form makes administration easy and stress-free. However, Simparica Trio offers additional protection against roundworms, hookworms, and heartworm disease.
No matter what you choose, always consider your dog’s protection needs and don’t forget to consult the veterinarian for tailored recommendations.
Frequently Asked Questions (FAQs)
Q1. Does Simparica prevent Lyme disease in dogs?
Ans. Yes, Simparica is indicated for the prevention of Lyme disease in dogs as a direct result of killing Black-legged ticks.
Q2. What should I do if I miss a dose of Simparica Trio?
Ans. If you miss a dose of Simparica Trio, give one dose immediately and continue with the monthly schedule.
Q3. Can I use Simparica Trio with other treatments?
Ans. According to field studies referenced in the label, Simparica Trio may be used in conjunction with other treatments such as vaccines, antimicrobials, anthelmintics, antiprotozoals, and NSAIDs. Consult a veterinarian before using it concurrently.

