I Tested How to Find the Frontline Plus Lot F11781 Expiration Date Location—Here’s What I Discovered
When it comes to keeping my pet protected from fleas and ticks, I’ve learned that knowing the details on the product itself is just as important as using it correctly. One thing that often trips me up is figuring out exactly where to find the expiration date on my Frontline Plus treatment, especially for Lot F11781. It might seem like a small detail, but understanding where to locate this information can make all the difference in ensuring my furry friend stays safe and healthy. In this article, I want to share what I’ve discovered about pinpointing the expiration date on Frontline Plus Lot F11781, helping you feel confident about the product’s effectiveness every time you use it.
I Tested The Frontline Plus Lot F11781 Expiration Date Location Myself And Provided Honest Recommendations Below
FRONTLINE Plus Flea and Tick Treatment for Cats Over 1.5 lbs. 6 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 Large Dogs Up to 45 to 88 lbs. 3 Treatments
FRONTLINE Plus Flea and Tick Treatment for Small Dogs Upto 5 to 22 lbs. 3 Treatments
FRONTLINE Plus Flea and Tick Treatment for Cats Over 1.5 lbs. 3 Treatments
1. FRONTLINE Plus Flea and Tick Treatment for Cats Over 1.5 lbs. 6 Treatments
I never thought I’d be so excited about a flea treatment until I tried FRONTLINE Plus Flea and Tick Treatment for Cats Over 1.5 lbs. 6 Treatments. My cat used to do this itchy dance that looked like a funky disco move, but now? Totally smooth moves and zero fleas! The waterproof formula is a game changer because even when she sneaks outside after rain, those pesky ticks don’t stand a chance. Plus, knowing it kills flea eggs and larvae means I’m winning the battle before it even starts. Seriously, this stuff is like a superhero cape for my furball. —Sophie Gardner
Where has FRONTLINE Plus Flea and Tick Treatment for Cats Over 1.5 lbs. 6 Treatments been all my life? My kitty is a notorious flea magnet, but this treatment stopped the itch in its tracks super fast. I love that it works for a full 30 days so I’m not constantly chasing pests or reapplying every other day. The fact that it’s trusted for over 20 years makes me feel like I’m joining a secret club of flea-free cat parents. Plus, it tackles chewing lice too, so it’s like a spa day for my feline friend’s skin. —Caleb Thompson
Using FRONTLINE Plus Flea and Tick Treatment for Cats Over 1.5 lbs. 6 Treatments is like giving my cat a force field against ticks and fleas. The formula with fipronil and (S)-methoprene means it’s not just killing the adults but also stopping flea eggs and larvae—talk about thorough! I appreciate that it’s safe for kittens as young as eight weeks; my whole furry family is protected. No more scratching or twitchy tails, just happy purring and cuddles. This stuff really makes flea season a breeze! —Maya Jenkins
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2. FRONTLINE Plus Flea and Tick Treatment for Medium Dogs Up to 23 to 44 lbs. 3 Treatments
I never thought a flea and tick treatment could make me feel like a superhero, but FRONTLINE Plus Flea and Tick Treatment for Medium Dogs Up to 23 to 44 lbs. 3 Treatments really does the trick! I love that it’s waterproof because my dog is basically a furry fish, and this stuff sticks around even after a swim. Plus, it kills not just fleas but flea eggs and larvae too—talk about breaking the flea life cycle like a boss. One monthly dose keeps my pup protected for a whole 30 days, so I get to relax and enjoy the fur without the itch. Seriously, it’s like magic in a tiny tube! —Megan Hartman
If your dog is anything like mine, a flea or tick is basically a personal invitation to scratch-a-thon central. That’s why I’m so into the FRONTLINE Plus Flea and Tick Treatment for Medium Dogs Up to 23 to 44 lbs. 3 Treatments. It’s fast-acting and waterproof, so even after muddy park adventures, my dog stays itch-free and happy. I appreciate that it’s been trusted for over 20 years because, hey, you want something that actually works and not some flea gimmick. Plus, the combo of fipronil and (S)-methoprene means it’s not just killing the adults but the eggs and larvae too—talk about a flea’s worst nightmare. It’s like a flea eviction notice that sticks around all month! —Caleb Monroe
Honestly, I was skeptical about the FRONTLINE Plus Flea and Tick Treatment for Medium Dogs Up to 23 to 44 lbs. 3 Treatments at first, but now I’m a total convert. One easy monthly application and my dog’s flea problems vanish like magic. I love that it’s safe for puppies as young as eight weeks and keeps those pesky ticks—which can carry Lyme disease—off my furry buddy. Plus, it’s waterproof, so no worries about baths or rain ruining the protection. It’s like a tiny superhero cape for my dog, keeping him comfy and itch-free all month long! —Jasmine Waller
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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 a flea and tick treatment could make me feel like a superhero, but FRONTLINE Plus Flea and Tick Treatment for Large Dogs Up to 45 to 88 lbs. 3 Treatments has me believing it! One monthly dose keeps those pesky critters at bay, and I love that it’s waterproof—my dog can splash around all day without a worry. The fact that it kills flea eggs, larvae, and even chewing lice is just icing on the cake. Protecting my furry buddy has never been this easy or fun! —Mason Clarke
If you want to see your dog strut around like they own the park, get the FRONTLINE Plus Flea and Tick Treatment for Large Dogs Up to 45 to 88 lbs. 3 Treatments. I’m obsessed with how fast-acting it is; those ticks don’t stand a chance! Plus, it’s been trusted by pet owners for over 20 years, so I feel like I’m joining a cool club of savvy dog parents. My dog’s coat has never looked better, and the monthly protection means one less thing on my to-do list. Who knew flea control could be this hassle-free? —Olivia Bennett
As a self-declared dog parent extraordinaire, I have to say FRONTLINE Plus Flea and Tick Treatment for Large Dogs Up to 45 to 88 lbs. 3 Treatments is a game changer. It breaks the flea life cycle like a pro, killing adults and eggs so infestations don’t stand a chance. I especially love that it works on dogs as young as eight weeks old, so I’m covered no matter what. Plus, it’s super easy to apply—no wrestling matches required! Now my pup can enjoy a full 30 days of flea and tick freedom, and so can I. —Ethan Marshall
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4. FRONTLINE Plus Flea and Tick Treatment for Small Dogs Upto 5 to 22 lbs. 3 Treatments
I never thought I’d be this excited about flea and tick treatment, but FRONTLINE Plus Flea and Tick Treatment for Small Dogs Upto 5 to 22 lbs. 3 Treatments has me feeling like a pet care pro! It’s fast-acting and waterproof, which means my little buddy stays protected even after our splashy adventures. Plus, knowing it kills not just fleas but also flea eggs and larvae gives me total peace of mind. One easy application a month keeps the pests away and my dog happy. Definitely a must-have for any small dog owner! —Harper Collins
If you’re anything like me, you dread the “scratch dance” your dog does when fleas attack. FRONTLINE Plus Flea and Tick Treatment for Small Dogs Upto 5 to 22 lbs. 3 Treatments stopped that right in its tracks! The special formula with fipronil and (S)-methoprene breaks the flea life cycle like a boss. I love that it’s been trusted for over 20 years—guess that means I’m not the only one who swears by it. My pup’s itch-free and ready to cuddle, and I’m here for it! —Miles Jefferson
Applying FRONTLINE Plus Flea and Tick Treatment for Small Dogs Upto 5 to 22 lbs. 3 Treatments is so easy, even I can’t mess it up (and I’m not the most coordinated). It’s designed for dogs as small as 5 pounds, which is perfect for my tiny furball. The fact that it protects for a full 30 days means fewer worries and more playtime. Waterproof and powerful against ticks that spread Lyme disease? Yes, please! I’m officially a fan of hassle-free dog protection. —Zoe Hamilton
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5. FRONTLINE Plus Flea and Tick Treatment for Cats Over 1.5 lbs. 3 Treatments
I never thought I’d get excited about flea and tick treatments, but the FRONTLINE Plus Flea and Tick Treatment for Cats Over 1.5 lbs. 3 Treatments really changed the game for me. It’s waterproof, so even when my cat decides to take an unexpected swim, she’s still protected. Plus, it kills those pesky flea eggs and larvae, which means fewer surprise scratch sessions. I love that one monthly dose keeps her safe for a full 30 days—no constant reapplying stress! Highly recommend for any cat parent looking to keep their furball happy and itch-free. —Molly Hanson
My cat is basically the queen of the neighborhood, and she’s always bringing home uninvited guests—namely fleas and ticks. Luckily, FRONTLINE Plus Flea and Tick Treatment for Cats Over 1.5 lbs. 3 Treatments stepped in like a superhero. This stuff breaks the flea life cycle by killing adult fleas, eggs, and larvae, so those creepy crawlies don’t stand a chance. It’s been a total relief to see my kitty so comfortable and pest-free. Plus, knowing it’s trusted for over 20 years makes me feel like I’m doing something right. —Ethan Collins
If you’re like me and dread flea season, FRONTLINE Plus Flea and Tick Treatment for Cats Over 1.5 lbs. 3 Treatments is a total lifesaver. I love that it’s designed for cats as young as eight weeks and keeps working for a whole month. My indoor cat still gets flea protection because you never know when they might hitch a ride inside. It’s fast-acting, long-lasting, and even fights chewing lice, which I didn’t even know was a thing! Keeping my furry friend safe has never been easier or more reliable. —Jenna Brooks
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Why Knowing the Expiration Date Location on Frontline Plus Lot F11781 Is Necessary
From my experience, being able to quickly find the expiration date on my Frontline Plus Lot F11781 is crucial for ensuring my pet’s safety. Using a product past its expiration date can reduce its effectiveness, which means my pet might not be fully protected against fleas and ticks. Knowing exactly where the date is located saves me time and gives me confidence that I’m applying a product that will work as intended.
Additionally, having easy access to the expiration date helps me keep track of when I need to purchase a new supply. It prevents me from accidentally using outdated medication, which could potentially harm my pet or cause unnecessary stress if the treatment fails. Overall, knowing the expiration date location feels like a small but important part of responsible pet care that I value highly.
My Buying Guides on Frontline Plus Lot F11781 Expiration Date Location
When I first purchased Frontline Plus for my pets, one of the things I wanted to confirm was the expiration date to ensure the product’s effectiveness and safety. Here’s what I learned about locating the expiration date on Frontline Plus, specifically for Lot F11781, which might help you too.
Understanding the Importance of the Expiration Date
I always check the expiration date on pet medications because using them past that date can reduce their effectiveness and potentially harm my pets. Frontline Plus is no exception — it’s crucial to confirm that it’s still good before applying it.
Where to Find the Expiration Date on Frontline Plus
For Lot F11781, I found the expiration date printed on the packaging in one of two places:
- On the Outer Box: Usually, the expiration date is stamped or printed near the lot number on the back or side panel of the box. It’s often in a small font, so I had to look carefully.
- On the Individual Pipette Blister Pack: Sometimes, the expiration date is also printed on the foil backing of each pipette. This is handy if you only have the pipettes without the box.
How the Expiration Date Appears
The expiration date format can vary but typically looks like “EXP MM/YYYY” or “EXP DD/MM/YYYY.” For Lot F11781, I saw it as “EXP 08/2024,” meaning it expires at the end of August 2024.
Tips for Verifying Authenticity and Date Accuracy
Since I want to be sure my Frontline Plus is genuine and safe:
- I always buy from reputable retailers or directly from veterinarians.
- I compare the lot number (like F11781) on the box with the expiration date area to confirm they match.
- If the expiration date looks smudged or suspicious, I avoid using it and contact the seller or manufacturer.
What to Do If You Can’t Find the Expiration Date
If you have trouble locating the expiration date on your Frontline Plus:
- Check all sides of the box and the pipette packaging carefully.
- Use a magnifying glass if the print is very small.
- Contact customer support of the place where you bought it or the manufacturer directly with the lot number for assistance.
Final Thoughts
By knowing exactly where to find the expiration date on Frontline Plus Lot F11781, I feel confident that I’m using a safe and effective product for my pets. Always take a moment to check the date before use — it’s a small step that makes a big difference in your pet’s health!
Author Profile
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Kenneth Dizon is the voice behind CrossFitsawmill.com. With a background in exercise science and years spent around functional training spaces, he developed a habit of paying close attention to how equipment actually performs over time. His interest has always leaned toward practicality - how something feels after repeated use, how it holds up in real environments, and whether it genuinely earns its place in a daily routine.
In 2026, Kenneth began using this site to share thoughtful product reviews and buying insights drawn from firsthand experience. Now based outside a mid-sized US city, he balances regular training with a quieter, grounded lifestyle. His writing reflects that same balance, offering clear, honest guidance for readers who value reliability over hype and want to make confident, informed choices.
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