K9 Advantix II XL Dog Flea & Tick Preventive (55+ lbs) 4-Mo Supply
Vet-recommended flea, tick, and mosquito treatment for dogs over 55 lbs. Kills fleas within 12 hours and prevents bites on contact. Customers note easy application and some mixed results on flea control
Highlights
- fast flea kill within 12 hours
- broad-spectrum protection (fleas, ticks, mosquitoes, biting flies, lice)
- vet-recommended formula for large dogs
Pros
- easy-to-apply formulation
- kills fleas within 12 hours
- protects against fleas, ticks, mosquitoes, biting flies and lice
Cons
- mixed flea-control results reported by customers
- some experience skin irritation or side effects
Best For
Features
- For dogs over 55 lbs, provides 30-day protection against fleas, ticks, mosquitoes, biting flies, and lice
- Kills fleas within 12 hours of application and repels on contact without requiring fleas to bite
- Fragrance-free topical treatment that becomes waterproof after 24 hours
- Vet-recommended formula does not require a prescription
