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🛡️ Protect your best friend, anywhere, anytime — because peace of mind is priceless!
FRONTLINE Shield Flea & Tick Treatment offers fast, proven, and waterproof protection for large dogs (41-80 lbs) with a powerful 3-in-1 formula that kills and repels fleas, ticks (including Lyme disease vectors), mosquitoes, and chewing lice. Designed for all life stages from 9 weeks old, it provides continuous 30-day defense through a convenient topical application that replenishes via sebaceous glands, ensuring your dog stays protected indoors and outdoors all year round.

















| ASIN | B08P3B82FY |
| ASIN | B08P3B82FY |
| Active Ingredients | Fipronil, Permethrin, Pyriproxyfen |
| Age Range Description | All Life Stages |
| Allergen Information | Octopus Free |
| Best Sellers Rank | #7,094 in Pet Supplies ( See Top 100 in Pet Supplies ) #36 in Dog Flea Drops |
| Brand Name | Frontline |
| Customer Reviews | 4.3 4.3 out of 5 stars (1,499) |
| Date First Available | November 23, 2020 |
| Dog Breed Size | Large |
| Included Components | Treatment |
| Item Form | Stick |
| Item Type Name | Topical |
| Item Weight | 1.45 Ounces |
| Item model number | 850 |
| Manufacturer | Boehringer Ingelheim Animal Health |
| Manufacturer | Boehringer Ingelheim Animal Health |
| Manufacturer Part Number | 850 |
| Manufacturer recommended age | 1 month and up |
| Model Number | 850 |
| Product Dimensions | 0.74 x 5.8 x 4.39 inches; 1.45 ounces |
| Scent Name | Unscented |
| Target Species | Dog |
| UPC | 350604064954 |
| Unit Count | 3 Count |
| Volume | 12 Milliliters |
| Warranty Description | Contact the manufacturer. |
G**B
Keeps him from scratching and ticks and fleas out of yard
This is an awesome product keeps ticks and fleas off my best friend year around. It gets a little pricey at times but he’s well worth it.
J**O
Thank God for front line!
I should have went with my gut and bought this the first time. In the past I have always used front line. My animals went without flea medicine for a few months so when I finally had the money my house and pets were infested. It killed me to see the whole house uncomfortably miserable so I went to the closest place to my house witch was a feed store, all they sold was advantage. It didn't matter to me at that point and I heard that was a good product. What a disappointment especially for the money. The fleas were gone for not even two weeks. Then I tried pet armor I swear I used it before and it worked? Not this time no way three days later the fleas came back! With vengeance!!! and did I mention that during all this bull I've been treating the house as well? By now I've thrown the towel in. I'm so astatic to say that after I purchased the front line and administered it my animals and my house are flea free! My animals are so happy and relaxed. Thank you so much front line, I'm never leaving you again.
M**7
Frontline plus would be better option.
Works ok. The frontline plus is a better option though. The traditional frontline hasn’t worked 100% in years. I used to be a dog groomer so I know this to be. Any flea and tick med that you can purchase without a vets prescription is not going to be 100%.,They at one time did make it for prescription, but fleas become immune to these protections so the vets don’t utilize any longer. Hence the reason you can now buy them. I suggest either frontline plus or Avantix with a Serento collar together.
S**W
Cost effective
was easier to purchase than going to vet and value is great for the money
N**Y
Worked great!
We have 2 large dogs that I used this on. I’ve not used this brand before and I’m really happy with my results. I waited late into summer before we treated the dogs and I have to say that I was really happy with the results!! They weren’t infested , but they certainly had a flea problem. It was a great value and worked really well. I do need to reapply as it’s still flea/tick season but I’m certain it’ll work just as well as the first application.
M**S
Works great
Product works well on my dog. Doesn’t stink or cause my dog any skin issues.
A**R
Disappointed
We had a flea outbreak at our house when my son came home and brought his dog and her fleas with him. Never having had a problem with fleas before, I was frantically trying to get rid of them from my three dogs. I had heard of this brand before so I thought I’d give it a try. The box says it kills fleas within 12 hours and would continue to kill eggs and larvae. I will say the amount of fleas has decreased about 75%, I will still end up taking them to the vet because this product is not a complete solution for flea prevention
D**A
Really works
We seldom get fleas here in Arizona, but this year my Collie got them and he never leaves the yard. This is the only brand that you can use on Collies as they have really bad reaction to most of them. We put it on him, neck, shoulders back and rump. By the next day Every flea was gone and we have not seen any since! Fantastic!!
F**R
Recommending this product, very effective and fast delivery
Trustpilot
1 week ago
3 weeks ago