Bayer Advantage II Large Cat Flea Treatment Over 9 lbs 4 Doses | Drops

Bayer Advantage II For Large Cat Over 9 lbs – Flea Treatment & Prevention – 4 Monthly Doses

Topical Flea Treatment and Protection for Large Cats

Bayer Advantage II For Large Cat Over 9 lbs is a fast-acting, vet-recommended flea treatment designed to kill adult fleas, flea larvae, and flea eggs on contact. This advanced topical solution provides complete flea protection for up to 30 days per dose, helping break the flea life cycle and prevent reinfestation.

Formulated specifically for cats weighing over 9 lbs, Advantage II works without requiring fleas to bite, offering immediate relief and long-lasting protection. With an easy spot-on application, this treatment helps keep your cat comfortable, protected, and flea-free month after month.

Many cat owners search for a reliable solution to sudden flea outbreaks, recurring infestations, or fleas that keep coming back even after cleaning the home. Advantage II is often chosen because people look for fast-acting flea treatment, flea control that works without biting, and a topical option that kills fleas, eggs, and larvae on contact. These are the most common concerns behind searches like “best flea treatment for cats,” “how to get rid of fleas fast,” and “flea drops for cats that actually work.”

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Key Benefits

• Monthly topical flea treatment for large cats over 9 lbs
• Kills adult fleas, eggs, and larvae through contact
• Provides fast‑acting flea control without requiring biting
• Helps protect against flea allergy dermatitis (FAD)
• Waterproof, easy‑to‑apply spot‑on formula

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Why Choose Advantage II For Large Cat Over 9 lbs

• Kills fleas on contact – no biting required
• Eliminates adult fleas, larvae, and eggs for full protection
• Breaks the flea life cycle to prevent reinfestation
• Provides up to 30 days of continuous protection per dose
• Fast-acting formula begins working within 12 hours
• Waterproof after 24 hours and fragrance-free
• Easy topical application for stress-free use
• Suitable for indoor and outdoor cats

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How It Works

Advantage II uses a powerful contact-killing formula that targets fleas at multiple life stages. It kills adult fleas quickly while also eliminating eggs and larvae, preventing new infestations from developing. This multi-action approach helps fully control flea problems and maintain a clean, healthy environment for your pet.

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How to Use

• Apply one tube directly to the skin at the base of your cat’s skull
• Part the fur and place the tip of the tube on the skin
• Squeeze the entire contents onto one spot
• Do not rub in
• Repeat monthly for continuous protection

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Product Details

Brand: Advantage II

Manufacturer: Elanco (formerly Bayer Animal Health)

Pet Type: Cat

Pet Size: Large (over 9 lbs)

Form: Topical liquid

Quantity: 4 monthly doses

Protection Duration: 30 days per dose

Minimum Age: 8 weeks and older

EPA Reg. No.: 11556-152

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Manufacturer Information (Brand Transition Notice)

This product was originally developed by Bayer Animal Health. Following the acquisition of Bayer Animal Health by Elanco, the product is now manufactured and distributed by Elanco.

The formula, effectiveness, and SKU remain unchanged. Packaging may vary and may include either Bayer or Elanco branding depending on the production batch. Both versions are 100% authentic and identical in quality and performance.

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You May Also Like

• Advantage II Large Cat Over 9 lbs (2 Doses) — great for first‑time buyers who want to try the product or need short‑term monthly flea protection without committing to a larger pack.
• Advantage II Large Cat Over 9 lbs (6 Doses) — the best value for long‑term use, offering a full six months of continuous flea treatment at a lower cost per dose.
• Seresto Cat Flea & Tick Collar (8‑Month, Pack of 2) — a convenient alternative for cat owners who prefer a non‑liquid option and want long‑lasting, low‑maintenance protection without monthly applications.

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What’s Included

4 tubes (4-month supply) of Advantage II For Large Cat Over 9 lbs. New, sealed, and factory fresh

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Warnings & Safety

• For external use only
• Do not use on kittens under 8 weeks of age
• Avoid contact with eyes or mouth
• Wash hands after application
• Consult a veterinarian if your pet has health conditions

Keep out of reach of children

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Performance & Benefits

Advantage II delivers fast and effective flea control, helping protect your cat from discomfort and flea-related health risks such as flea allergy dermatitis, tapeworm transmission, and flea bite anemia. With consistent monthly use, it ensures long-term protection and peace of mind.

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Disclaimer:

This product is intended for animal use only. Always follow label instructions. Results may vary depending on environment and level of infestation.

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Authenticity Guarantee:

We guarantee that all Advantage II (Elanco, Bayer) products sold on our website are 100% authentic, sealed, and sourced from authorized distributors. Every unit is stored under proper conditions to ensure safety and effectiveness.