Description
Product Overview
Advantage II Large Cat is a leading topical flea treatment designed for cats weighing over 9 lbs and at least 8 weeks old. This vet-recommended solution delivers comprehensive flea protection by killing adult fleas, flea larvae, and flea eggs through contact, without the need for pills or prescriptions. The product measures 1.38 x 4.38 x 6.63 inches and weighs 0.8 ounces, featuring a fragrance-free formula that is waterproof after 24 hours. It is manufactured by Elanco US Inc and has garnered high customer satisfaction with a 4.5-star rating from over 77,000 reviews, ranking #1 in Cat Flea Drops.

Usage
This flea treatment is ideal for household environments where cats are exposed to fleas, such as homes with multiple pets or outdoor access. Apply it monthly to the skin on the back of the neck for continuous protection against infestations. It is suitable for large cats over 9 lbs, providing peace of mind for pet owners seeking reliable, easy-to-use prevention without veterinary visits.
Why Choose Us
Advantage II stands out due to its vet-recommended formulation and proven effectiveness, offering same-day results and long-lasting protection. The product is backed by Elanco’s quality assurance, ensuring safety and reliability for your pet. Its waterproof nature and fragrance-free design make it a superior choice for sensitive cats, providing a hassle-free solution that outperforms many over-the-counter alternatives.
Key Features
- Kills fleas within 12 hours of application for rapid relief
- Provides 30 days of continuous protection against fleas
- Eliminates adult fleas, larvae, and eggs through contact
- Waterproof after 24 hours, ensuring durability during play or baths
- Fragrance-free and easy to apply without prescriptions
FAQ
How often should I apply Advantage II Large Cat?
Apply the treatment once a month for optimal flea protection. Consistent monthly use helps prevent reinfestation and maintains a flea-free environment for your cat.
Is this product safe for kittens?
Advantage II Large Cat is intended for cats over 9 lbs and at least 8 weeks of age. For younger or smaller cats, consult a veterinarian for appropriate alternatives.
Can I use it on a pregnant or nursing cat?
It is recommended to consult with a veterinarian before using any flea treatment on pregnant or nursing cats to ensure safety for both the mother and offspring.
How long does it take to become waterproof?
The formula becomes waterproof 24 hours after application, allowing your cat to engage in normal activities without reducing effectiveness.
What if my cat has a reaction to the treatment?
Discontinue use immediately and contact your veterinarian if you notice any adverse reactions, such as skin irritation or behavioral changes, for guidance and support.








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