NexGard Plus vs Simparica Trio: Differences, Pros, Cons, and Best Use Cases
NexGard Plus and Simparica Trio may treat similar problems, but they are not the same fit. Start with species, what each one covers, and how you want to give it.
DogRXChewable
NexGard Plus
Combination monthly chewable for dogs positioned for high-intent comparison against Simparica Trio and other combo preventives.
IngredientAfoxolaner, Milbemycin Oxime
Coveragefleas, ticks, heartworm, hookworms, roundworms
FrequencyMonthly
DogRXChewable
Simparica Trio
Combination monthly chewable for dogs covering flea, tick, and heartworm prevention with broader parasite overlap.
IngredientSarolaner, Moxidectin, Pyrantel
Coveragefleas, ticks, heartworm, hookworms, roundworms
FrequencyMonthly
Compare
NexGard Plus
Simparica Trio
Active ingredient
Afoxolaner, Milbemycin Oxime
Sarolaner, Moxidectin, Pyrantel
Species
DOG
DOG
Form
Chewable
Chewable
Frequency
Monthly
Monthly
Prescription
RX
RX
Coverage
fleas, ticks, heartworm, hookworms, roundworms
fleas, ticks, heartworm, hookworms, roundworms
Best-for summary
NexGard Plus is often the stronger pick when broader coverage matters most. Simparica Trio may be easier to choose when you want a simpler or narrower fit.
Informational comparison only. Not veterinary advice.
NexGard Plus: pros and cons
Broad combined coverage
Monthly chewable convenience
Strong comparison intent with Simparica Trio
Prescription required
Dog-only
May be broader than some households need
Simparica Trio: pros and cons
Broad combined coverage
High commercial intent
Strong comparison overlap with NexGard Plus
Prescription required
Dog-only
Can be broader than needed for a single narrow concern