• Advantage II Flea Treatment for Large Cats
  • Advantage II Flea Treatment for Large Cats
  • Advantage II Flea Treatment for Large Cats
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Advantage II Flea Treatment for Large Cats (9+ lbs) – 6 Monthly Doses

Advantage II Flea Treatment for Large Cats (9+ lbs) – 6 Monthly Doses

$47.60
$75.99 $47.60
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Shipping & Returns

Free USA Shipping on Orders Over $120

We ship all US domestic orders within 1-3 business days

Returns & Refunds Policy

30-Day Return Policy

We offer a 30-day return policy from the date of delivery.

To qualify for a return:


  • The item must be unused

  • The item must be in original packaging

  • Proof of purchase is required

Non-Returnable Items

The following items cannot be returned:


  • Opened pet food or treats

  • Personalized products

  • Clearance or final sale items

  • Hygiene-related pet products

Damaged or Incorrect Items

If you receive a damaged or incorrect product:


  1. Contact us within 72 hours of delivery

  2. Provide photos of the product and packaging

  3. We will arrange a replacement or full refund

Return Shipping


  • If the return is due to our error (damaged or incorrect item), we cover return shipping

  • If the return is due to customer preference, the customer pays return shipping

Refund Processing

Once we receive and inspect the returned item:


  • Refunds will be issued to the original payment method

  • Processing time: 5–10 business days
View full product details

Give your cat the protection they deserve with Advantage II Flea Treatment for Large Cats Over 9 lbs and a powerful monthly flea treatment designed to keep your feline comfortable, happy, and free from irritating fleas. Whether your cat loves relaxing indoors or exploring outside, fleas can quickly become a frustrating problem. Advantage II helps stop infestations fast while providing long-lasting protection you can trust.

This advanced topical formula kills fleas through contact, so fleas do not need to bite your cat to die. It works quickly to eliminate adult fleas, flea eggs, and flea larvae, helping break the flea life cycle and prevent future infestations around your home.

Fast Relief & Long-Lasting Protection

No pet owner wants to see their cat constantly scratching or feeling uncomfortable. Advantage II starts working within hours to provide fast flea relief and continues protecting your cat for up to 30 days with just one easy application.

Its convenient spot-on formula makes flea prevention simple without the stress of tablets or oral treatments.

Why Pet Owners Love Advantage II

  • Fast-acting flea treatment for cats over 9 lbs
  • Kills adult fleas, eggs, and larvae
  • Helps prevent reinfestation
  • Easy monthly topical application
  • Waterproof after 24 hours
  • Fragrance-free formula
  • No biting required for fleas to die
  • Suitable for cats and kittens 8 weeks and older

Simple Application for Stress-Free Care

Applying Advantage II is quick and easy. Simply part the fur at the base of your cat’s neck and apply the full tube directly onto the skin. The formula spreads across the skin surface to deliver full-body flea protection.

With one monthly treatment, your cat stays protected while you enjoy peace of mind knowing fleas are under control.

Frequently Asked Questions

Is Advantage II for Large Cats effective against all stages of fleas?

Yes, Advantage II for Large Cats kills adult fleas, flea eggs, and flea larvae to help break the flea life cycle and prevent future infestations. This complete flea protection helps keep your cat and home flea-free.

How fast does Advantage II start working on cats?

Advantage II starts killing fleas within 12 hours of application. Its fast-acting formula provides quick relief from scratching, irritation, and flea discomfort.

Can Advantage II be used on indoor cats?

Yes, indoor cats can still get fleas from people, other pets, or household items. Monthly flea prevention with Advantage II helps protect indoor cats from unexpected flea infestations.

How often should I apply Advantage II Flea Treatment?

For the best flea protection, Advantage II should be applied once every 30 days. Regular monthly use helps provide continuous flea control and long-lasting protection.

Why do cat owners choose Advantage II for flea prevention?

Pet owners trust Advantage II because it is easy to apply, works quickly, and provides reliable monthly flea protection for large cats over 9 lbs. It helps keep cats comfortable, healthy, and free from irritating fleas.
  • 5 stars: 15 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
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Christopher Bell

This arrived on time and was packaged well. The application was straightforward, and I saw a noticeable reduction in scratching within days. Overall, it’s a dependable product for monthly flea control.

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Hannah Lewis

My cat weighs just over 9 pounds, and this treatment has worked exactly as expected. It was easy to apply, and I haven’t noticed any flea issues since starting it.

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Nathan Price

I’m pleased with this purchase. The treatment worked quickly, and my cat seemed comfortable the whole time. The six-pack is a cost-effective choice for keeping up with flea prevention.

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Olivia Sanders

This product has been a great addition to my cat’s routine. It’s simple to apply, dries fairly quickly, and seems to provide consistent protection. Shipping was fast as well.

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Jessica Morgan

I was looking for something dependable for my large cat, and this has met my expectations. It arrived quickly, was easy to use, and has helped keep fleas away without any problems.

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Emily Ross

I’ve been using this monthly, and it’s kept fleas under control. My cat seems comfortable after each application, and the six-dose pack offers solid value for long-term use.

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Sarah Mitchell

The treatment was simple to apply, and my cat didn’t try to rub it off afterward. I appreciate getting six doses in one box since it saves me from reordering every month.

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Eric Bennett

I ordered this after noticing a few fleas on my cat. Within a short time, the scratching was much less frequent. Delivery was on time, and the packaging kept everything in perfect condition.

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Lauren Bennett

I like that each dose is individually sealed and simple to apply. My cat stayed comfortable afterward, and the fleas were under control within a few days. Definitely happy with the purchase.

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Nicole Hayes

Easy to use and effective. After the first dose, my cat stopped scratching so much, and I haven’t noticed any new flea problems. Shipping was quick, and everything arrived exactly as described.

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Jason Reed

This flea treatment has worked well for both of my larger cats. Applying it only takes a minute, and I’ve seen a noticeable improvement. It’s a good value since the box lasts several months.

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Kevin Brooks

I’ve tried a few flea treatments, and this one has been the most consistent so far. It’s easy to apply and lasts the full month. The six-pack is a practical option for keeping up with treatments.

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Amanda Lewis

I was happy with how simple this was to use. My cat didn’t seem bothered after application, and the scratching stopped within a few days. The product was sealed properly and arrived in great condition.

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Brian Foster

This worked well for my large indoor cat. The application was quick, and I noticed fewer fleas after the first treatment. The package arrived on schedule, and having six monthly doses makes it convenient and worth the price.

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Melissa Carter

I’ve used this flea treatment on my 12-pound cat for two months now, and it’s been easy to apply with no mess. I noticed a big drop in scratching within a couple of days. The six dose pack is a good value, and everything arrived well packaged and on time. My cat tolerated it well, which was a huge plus.