Simparica Trio Large Breed 20.1–40kg Flea, Tick & Worming Dog Chews provide monthly, all-in-one parasite protection for dogs within this weight range, offering fast-acting defence against fleas, ticks, heartworm, and intestinal worms. This liver-flavoured chew is ideal for dogs needing broad-spectrum coverage, especially those at risk of paralysis ticks or environments where fleas and worms are a concern.
Beginning to kill fleas within 4 hours and eliminating paralysis ticks within 24 hours, this formulation offers reliable, vet-grade protection in a simple monthly dose. Suitable for dogs 8 weeks and older and ideal for parasite protection and year-round health, while not recommended for dogs requiring a product outside this weight range or with specific veterinary contraindications.
Features and benefits:
Fast flea knockdown: Starts killing fleas within hours to help prevent infestations.
Powerful tick control: Protects against paralysis, brown dog, and bush ticks.
Comprehensive worm protection: Treats and controls hookworm and roundworm, including immature stages.
