EXP
2-5kg : 4/2026
5-10kg : 4/2026
10-20kg : 4/2026
20-40kg : 3/2026
40-60lg : 3/2026
 
 
 
 
 
Product Details
Take your dog’s parasite protection to the next level
FRONTLINE Tri-act® FOR DOGS has a unique formula that kills faster1 and repels more2 disease-carrying parasites than the next leading competitor brand. Use every 4 weeks to provide long-lasting protection against flying insects, fleas and ticks whilst also preventing home flea infestatations.
Starts killing fleas in just 5 minutes1
Kills newly arriving fleas and ticks on your dog within 6 hours and keeps working for the whole duration of treatment
Kills mosquitoes, biting flies and sandflies
Repels ticks for 4 weeks
Helps reduce the risk of tick-borne diseases
Repels flying insects for up to 5 weeks to prevent them from biting
Prevents a flea infestation in your home when used every 4 weeks by killing fleas before they can lay eggs
Available in 3 dose packs

If your dog is unwell, please see your vet for advice before you apply a flea treatment. FRONTLINE Tri-Act® FOR DOGS is not suitable for use on cats or rabbits. Use every 4 weeks to help protect your dog from fleas, ticks, mosquitoes, stable flies and sand flies.

FRONTLINE Tri-Act® FOR DOGS is suitable for dogs 8 weeks or older that weigh over 2kg.

Bathing/shampooing/water exposure does not affect the efficacy of the product as long as it doesn’t occur more than once a week or within 2 days of application of the product.

Legal classification: NFA-VPS (available over- the- counter from a Vet, Pharmacist or Registered Animal Medicines Advisor (SQP).