Advantage II Large Cat Vet-Recommended Flea Treatment & Prevention | Cats Over 9 lbs. | 2-Month Supply 2-Pack
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Overview
Advantage II Large Cat is a monthly topical flea treatment formulated for cats and kittens weighing more than 9 pounds. Each application delivers fast-acting, contact-based flea control that begins killing adult fleas within 12 hours and continues to prevent re-infestation for 30 days by targeting adult fleas, eggs and larvae. This 2-pack provides two monthly doses, making it a practical choice for cat owners who need ongoing protection without daily dosing. It’s favored by many veterinarians because it interrupts the flea life cycle, reduces household flea populations, and is simple to apply as a spot-on treatment. Ideal for multi-cat homes and indoor/outdoor cats where consistent, monthly control is important to protect comfort and reduce parasite-related health risks.
Key Features
- Formulation: Topical spot-on applicator designed for cats over 9 lbs; sold as a 2-dose (2-month) pack
- Active ingredients: contains both an adulticide and an insect growth regulator (targets adults, eggs and larvae)
- Duration: Each application provides up to 30 days of flea control; two-pack supplies two monthly doses
- Mode of action: Contact-killing formula — fleas do not need to bite to die, reducing irritation to the cat
- Application: Single-use pipette/ tube for easy spot-on application between the shoulder blades; allow area to dry before petting
Pros & Cons
Pros
- Fast action — starts killing adult fleas within 12 hours of application
- Breaks the flea life cycle by targeting adult fleas, larvae and eggs for month-long control
- Contact kill — fleas don’t have to bite your cat to be affected
- Convenient monthly spot-on application; two-dose pack covers two months
- Vet-recommended brand with broad availability and established track record
Cons
- Does not provide reliable protection against ticks, mites, or intestinal parasites
- Intended only for cats 9 pounds and above — not suitable for smaller kittens
- Must be reapplied every 30 days; missed doses reduce effectiveness
- Some cats may experience transient skin irritation or grooming changes after application
Recommendations
- Owners of indoor/outdoor cats who need monthly, ongoing flea control
- Multi-cat households where preventing household flea reservoirs is important
- Homes recovering from a recent flea infestation that need a product that targets eggs and larvae
- Cat owners who prefer topical (spot-on) treatments over oral chewables or collars
Frequently Asked Questions
Price History
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