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Your cart is empty.FRONTLINE Shield for Dogs, from the number 1 name in flea and tick protection (1), is the fastest working FRONTLINE product. It is proven flea and tick protection with repellency action against ticks and mosquitoes. FRONTLINE Shield repels ticks that may transmit Lyme disease and mosquitos that may lead to heartworm disease. The long-lasting, 3-in-1 flea and tick topical formula protects your dog for a full 30 days. It is an effective flea and tick treatment for pups big and small, effective for puppies as young as 9 weeks and weighing at least 5 pounds. After application, the treatment rapidly covers your dog's entire body and deposits in the sebaceous glands. These glands act as a reservoir, continuously replenishing the treatment onto your dog, working even if your dog gets wet (2). Apply monthly to ensure your dog is protected all year long. So, no matter your plans, FRONTLINE Shield protects from fleas and ticks —inside your house, outside on walks and hikes, and everywhere in-between. Protect your dog with FRONTLINE Shield so you can go anywhere together. Subscribe and save today to make it easier to keep your dogs or cats protected year-round and make sure you never run out of FRONTLINE Shield. Be sure to visit our brand store and follow us to stay up to date on new FRONTLINE products, features, tips and more. References: (1) BI Marketing Excellence Survey performed by Kynetec, November 2023. (2) Waterproof 24 hours after application.
Elisabeth Waugaman, PhD
Reviewed in the United States on March 15, 2025
The product is great but good luck trying to cancel a subscription. I keep canceling and they keep sending boxes for our dead dog. WHY does this keeo happening? Good luck trying to contact them... It's impossible.
Jodapk
Reviewed in the United States on February 26, 2025
DO NOT USE! BURNED SKIN AND BLISTERED!!! DO NOT USE!!!!
Logan Bilbrey
Reviewed in the United States on December 30, 2024
Does help and keeps fleas away.
Wanda
Reviewed in the United States on April 22, 2024
Within 12-18 hours of applying this topical, my 35 pound German Pinscher began shaking his head A LOT. He is 9 years old and has never had an issue with his ears but I thought perhaps he had an infection. I didn't want to take any chances, so I bathed him and scrubbed the areas where I applied the topical. Eventually, the head shaking lessened and stopped completely after a couple of weeks. (I did take him to the vet to be checked for an ear infection and he didn't have an infection.)
Sarah
Reviewed in the United States on June 14, 2023
We have not found any ticks on our dogs at all!
Faye.N.G.Koizumi
Reviewed in the United States on October 6, 2023
Works great! We don't have a flea issue in our area, but we do have mosquitoes and this seems to repel them nicely also works on gnats. Our pup doesn't have a reaction to it. Takes a good 24 hours to melt into his fur/skin, but other than that it works great.
Susan the Grouch
Reviewed in the United States on November 29, 2022
Struggling wuth the ticks prevailing over Frontline this year. What a disgusting creature the blood & egg-filled tick bitch is!Still holding the line against the fleas.
Manuel Ramos
Reviewed in the United States on December 23, 2021
The park we were going with the dog (Lalo) had a serious tick problem. Each visit was about 10 or more ticks on the ears, legs and belly. Since we've used Shield for Dogs, not a single tick has gotten on Lalo. No side effects on anyone. Excellent product, highly recommended.
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