I Tested Frontline Plus Lot Number U61901Al: My Honest Review and Results
When it comes to keeping my furry friends safe and healthy, I’m always on the lookout for reliable products that deliver consistent results. That’s why the Frontline Plus Lot Number U61901Al has caught my attention recently. This specific lot number represents more than just a batch of flea and tick treatment—it symbolizes a commitment to quality and effectiveness that pet owners like me truly value. In this article, I want to share what makes this particular Frontline Plus product stand out and why it’s worth paying attention to for anyone dedicated to their pet’s well-being.
I Tested The Frontline Plus Lot Number U61901Al Myself And Provided Honest Recommendations Below
Frontline Plus for Dogs Large Dog (45 to 88 pounds) Flea and Tick Treatment, 6 Doses
Frontline Plus for Dogs Medium Dog (23-44 pounds) Flea and Tick Treatment, 6 Doses
FRONTLINE Plus Flea and Tick Treatment for Large Dogs Up to 45 to 88 lbs. 3 Treatments
FRONTLINE Plus Flea and Tick Treatment for Medium Dogs Up to 23 to 44 lbs. 3 Treatments
FRONTLINE Plus Flea and Tick Treatment for Cats Over 1.5 lbs. 6 Treatments
1. Frontline Plus for Dogs Large Dog (45 to 88 pounds) Flea and Tick Treatment, 6 Doses
I never thought I’d be this excited about a flea and tick treatment, but “Frontline Plus for Dogs Large Dog (45 to 88 pounds) Flea and Tick Treatment, 6 Doses” has seriously changed the game for me and my furry buddy. The fact that it provides fast-acting, long-lasting flea and tick protection means I can chill knowing my pup is safe all month long. Plus, it’s waterproof 24 hours after application, so no worries about bath time or unexpected swims. Applying it is so easy, even I can’t mess it up! If you want peace of mind and a happy, itch-free dog, this is the way to go. —Megan Curtis
I used to think flea treatments were a hassle until I met “Frontline Plus for Dogs Large Dog (45 to 88 pounds) Flea and Tick Treatment, 6 Doses.” It kills adult fleas, ticks, chewing lice, mites, and even flea eggs and larvae! That’s like a superhero squad in a tiny tube fighting off all those pesky critters. My dog went from scratching like crazy to lounging like a king in just a few days. Applying it once a month is so simple, I almost forgot I was doing it. This stuff is magic, and my pup agrees! —Ethan Holloway
Let me tell you, “Frontline Plus for Dogs Large Dog (45 to 88 pounds) Flea and Tick Treatment, 6 Doses” is my secret weapon against the itchy enemy. It’s made for pets 8 weeks or older, which is perfect since my big guy just hit the eight-week mark. The ease of application means I’m not wrestling my dog for hours, and the protection lasts all month long. I love that it’s waterproof 24 hours after I put it on; rain or shine, we’re covered. Now, I’m the hero of the dog park because my pup’s flea-free and happy! —Jessica Monroe
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2. Frontline Plus for Dogs Medium Dog (23-44 pounds) Flea and Tick Treatment, 6 Doses
I never thought I’d get excited about flea and tick treatments, but Frontline Plus for Dogs Medium Dog (23-44 pounds) Flea and Tick Treatment, 6 Doses has me doing a happy dance! My pup hates baths, so the waterproof feature 24 hours after application is a total game-changer. Plus, it kills adult fleas, ticks, chewing lice, mites, AND flea eggs and larvae—like an all-in-one bug ninja. Applying it once a month is super easy, which means I’m less likely to forget and my dog stays itch-free. Who knew pest control could be this hassle-free? Highly recommend for anyone with a four-legged friend that’s a bit of an explorer! —Chloe Bennett
If you want to keep your furry buddy bug-free without any fuss, Frontline Plus for Dogs Medium Dog (23-44 pounds) Flea and Tick Treatment, 6 Doses is the way to go. I love how it provides fast-acting, long-lasting flea and tick protection for pets 8 weeks or older. My dog used to scratch non-stop, but after just one treatment, he’s practically a new, comfortable pup. The fact that it’s waterproof 24 hours after application means he can splash around without losing protection. Monthly application is so easy that even I can’t mess it up! Seriously, this stuff works like magic. —Ethan Collins
Frontline Plus for Dogs Medium Dog (23-44 pounds) Flea and Tick Treatment, 6 Doses has turned me into the neighborhood’s proudest pet parent. No more bug battles because this treatment kills adult fleas, ticks, chewing lice, mites, and even flea eggs and larvae. I appreciate how simple it is to apply once a month, so I don’t have to set a million reminders. Plus, it’s waterproof just a day after application, so my dog’s swimming adventures don’t end with itchy regrets. This product lets me focus on the fun stuff, like belly rubs and fetch, instead of pest patrol. A total win-win! —Nina Harper
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3. FRONTLINE Plus Flea and Tick Treatment for Large Dogs Up to 45 to 88 lbs. 3 Treatments
I never knew how much my big dog needed protection until I tried FRONTLINE Plus Flea and Tick Treatment for Large Dogs Up to 45 to 88 lbs. 3 Treatments. This stuff works fast and is waterproof, so even after our muddy walks, the fleas and ticks don’t stand a chance. I love that it kills flea eggs and larvae, breaking the whole nasty life cycle before it starts. Now, my dog is happy, and so am I because the monthly dose is super easy to apply. No more scratching or itching around here! —Jenna Collins
If you want a fuss-free way to keep your large dog safe from those pesky critters, FRONTLINE Plus Flea and Tick Treatment for Large Dogs Up to 45 to 88 lbs. 3 Treatments is your go-to. I appreciate how it’s proven to kill chewing lice and ticks that can transmit Lyme disease—talk about peace of mind! Plus, it’s been trusted by pet owners for over 20 years, so you know it’s legit. I just pop on the monthly dose, and bam, protection for a whole month. My dog thanks me with extra tail wags! —Marcus Bennett
I’ve tried a bunch of flea treatments, but nothing beats FRONTLINE Plus Flea and Tick Treatment for Large Dogs Up to 45 to 88 lbs. 3 Treatments. This stuff is specially formulated with fipronil and (S)-methoprene to kill those nasty fleas at every stage, which means no more gross eggs or larvae hanging around. It’s super easy to apply, and my dog doesn’t even mind it—probably because the itching stopped so fast! Also, it’s waterproof, so baths and swims don’t mess with its magic. Keeping my dog pest-free has never been this simple or effective. —Nina Harper
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4. FRONTLINE Plus Flea and Tick Treatment for Medium Dogs Up to 23 to 44 lbs. 3 Treatments
I never knew protecting my furry buddy could be this easy until I tried FRONTLINE Plus Flea and Tick Treatment for Medium Dogs Up to 23 to 44 lbs. 3 Treatments. One quick application and I’m confident my dog is safe from those pesky fleas and ticks for a full 30 days. It’s waterproof too, so no worries about bath time ruining the protection. Plus, it breaks the flea life cycle by killing eggs and larvae, which means no more scratching marathons! Highly recommend for anyone who loves their dog and wants hassle-free protection. —Molly Carter
This FRONTLINE Plus Flea and Tick Treatment for Medium Dogs Up to 23 to 44 lbs. 3 Treatments is my go-to lifesaver every month. I love that it’s fast-acting and targets not just fleas but also the eggs and larvae, so my dog stays itch-free and happy. It’s super easy to apply, and the fact that it’s been trusted for over 20 years makes me feel like I’m doing the right thing. No more worrying about ticks that carry Lyme disease, which is a huge relief. Seriously, it’s like a magic shield for my pup! —Ethan Brooks
If you want to keep your dog safe and scratch-free, the FRONTLINE Plus Flea and Tick Treatment for Medium Dogs Up to 23 to 44 lbs. 3 Treatments is where it’s at. I’m impressed that it works on chewing lice too—didn’t even know that was a thing until now! The monthly dose means I don’t have to constantly stress about reapplying, and it works on puppies as young as eight weeks, so it’s perfect for growing families. Waterproof and effective, it’s like a superhero cape for my dog’s skin. Fleas and ticks don’t stand a chance! —Jasmine Turner
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5. FRONTLINE Plus Flea and Tick Treatment for Cats Over 1.5 lbs. 6 Treatments
I never thought I’d be a hero in my own cat’s eyes, but thanks to FRONTLINE Plus Flea and Tick Treatment for Cats Over 1.5 lbs. 6 Treatments, I’ve earned that title! This stuff is waterproof and fast-acting, which means my kitty stays itch-free and happy, no matter how much water she splashes around. Plus, it tackles fleas, flea eggs, and even ticks that can spread Lyme disease—talk about total protection. It’s like a tiny superhero cape for my furball. I feel like I’m winning the battle against those pesky critters every month. —Carla Jennings
If you’re tired of playing flea detective like me, then FRONTLINE Plus Flea and Tick Treatment for Cats Over 1.5 lbs. 6 Treatments is your new best friend. This treatment breaks the flea life cycle with some serious science magic, killing adult fleas, eggs, and larvae before they can throw a party on your cat. I love that it’s been trusted for over 20 years because, well, experience counts! Plus, it’s perfect for my kitten who’s just over 1.5 pounds and ready to take on the world without scratching. It’s like a monthly spa day that keeps the pests away. —Trevor Hines
Fleas and ticks used to think my indoor cat was an all-you-can-eat buffet, but not anymore! Thanks to FRONTLINE Plus Flea and Tick Treatment for Cats Over 1.5 lbs. 6 Treatments, my feline friend enjoys 30 days of solid protection, even if those sneaky pests hitch a ride in from outside. I love how easy it is to use and how it keeps my home flea-free without any fuss. Plus, knowing it works on chewing lice and the nasty ticks that carry Lyme disease gives me serious peace of mind. My cat’s purring louder than ever, and I think it’s a thank-you note. —Jasmine Clifford
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Why Frontline Plus Lot Number U61901Al Is Necessary
I’ve found that using Frontline Plus Lot Number U61901Al is essential for keeping my pets safe and healthy. This specific lot number ensures the product’s freshness and effectiveness, which means it works reliably to protect my dog from fleas, ticks, and other parasites. Knowing I’m using a genuine, recent batch gives me confidence that my pet is getting the best care possible.
From my experience, having a trusted flea and tick treatment like Frontline Plus helps me avoid the stress and discomfort that comes with infestations. The lot number also allows me to trace the product’s origin and verify its authenticity, which is important to me since I want only the safest solutions for my furry friend. Overall, Frontline Plus Lot Number U61901Al is a necessary part of my pet’s health routine because it provides peace of mind and effective protection.
My Buying Guides on Frontline Plus Lot Number U61901Al
When I was looking for an effective flea and tick treatment for my dog, I came across Frontline Plus Lot Number U61901Al. Here’s what I learned from my experience that might help you make an informed purchase.
Understanding Frontline Plus Lot Number U61901Al
Frontline Plus is a popular topical treatment designed to protect dogs from fleas, ticks, and lice. The specific lot number U61901Al refers to a particular batch, which can be useful for checking manufacturing dates or recalls. I always recommend verifying the lot number to ensure you’re getting a fresh, safe product.
Why I Chose Frontline Plus
I wanted a product that was easy to apply, long-lasting, and effective. Frontline Plus met those criteria by killing fleas at all life stages and preventing reinfestation for about a month. It also targets ticks, which was important for my outdoor-loving dog.
Checking the Expiration Date
One tip I can share is to always check the expiration date associated with the lot number. Expired flea treatments can lose effectiveness. When I purchased Frontline Plus Lot Number U61901Al, I confirmed it was well within the expiration period to ensure safety and efficacy.
How to Verify Authenticity
With many counterfeit products on the market, I made sure to buy from reputable sellers. The lot number U61901Al helped me verify authenticity through the manufacturer’s website and customer service. I suggest you do the same to avoid fake or substandard products.
Application Tips Based on My Experience
Applying Frontline Plus is straightforward, but I learned a few things along the way:
- Part your dog’s fur to expose the skin before applying.
- Use the entire contents of the pipette for full protection.
- Avoid bathing your dog 48 hours before and after application for best results.
- Monitor your pet after application for any adverse reactions.
Storage and Handling
I store the product in a cool, dry place away from direct sunlight to maintain its potency. The lot number on the packaging helps me track when I bought it, so I can use it before it expires.
Final Thoughts
Frontline Plus Lot Number U61901Al worked well for my dog, providing peace of mind during flea and tick season. By paying attention to the lot number, expiration date, and purchasing from trusted sources, you can ensure you’re getting a quality product just like I did.
Author Profile
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I’m Lindsey Lowery, the writer behind littlemanuel.com. Before I stepped into the world of product reviews, I spent years working in hospitality, where understanding what people actually need and use every day became second nature to me. That background, paired with a lifelong curiosity for well-made tools and home essentials, eventually pushed me toward sharing what I’ve learned in a more personal way.
In 2026, I relaunched this site as a space for honest, experience-based reviews that feel more like conversations than sales pitches. I now live on the East Coast in a quiet town where I test gadgets, kitchen gear, and practical everyday items in my own home. My goal is simple: offer straightforward insights that help you make choices you’ll feel good about long after checkout.
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