K9 Advantix II Large Dog Flea & Tick Preventive (21-55 lbs) 2-mo
Vet-recommended flea, tick & mosquito treatment for dogs 21-55 lbs, providing 30-day protection. Kills fleas within 12 hours and repels on contact. Customer insight notes mixed reviews on effectiveness and skin reactions
Highlights
- covers fleas, ticks, mosquitoes
- fast-acting flea kill (12 hours)
- contact-kill mechanism
Pros
- kills fleas within 12 hours
- prevents multiple pests (fleas, ticks, mosquitoes, biting flies, lice)
- vet-recommended formula
- on-contact kill so fleas dont have to bite
Cons
- mixed customer experiences on effectiveness
- some report skin irritation or adverse effects
- durability claim of 30 days not consistent per feedback
Best For
Features
- Treats dogs 21-55 lbs for 30 days of fleas, ticks, mosquitoes, biting flies, and lice
- Kills fleas within 12 hours of application and repels on contact
- Vet-recommended formula protects without requiring fleas to bite
- Topical, fragrance-free treatment that becomes waterproof after 24 hours
- No prescription required
