If your small dog deals with fleas or ticks, a simple monthly treatment can make life much easier. PetArmor Plus Flea & Tick Topical for Dogs 5-22 lbs is made for small dogs and comes in a 3-month pack. It is designed to kill adult fleas, flea eggs, flea larvae, ticks, and chewing lice while helping break the flea life cycle.
In this PetArmor Plus Flea & Tick Topical Dogs 5-22 lbs, 3-Month review, I look at what this treatment does, how it works, how to use it, its good and bad points, and who may want to consider it.
My goal here is simple. I want to help you decide if this monthly flea and tick treatment makes sense for your small dog.
Quick answer: PetArmor Plus is a convenient monthly topical treatment for dogs weighing 5 to 22 pounds. It is waterproof, needs no prescription, and is made to provide up to 30 days of flea and tick protection per dose. The main thing to check before buying is your dog’s exact weight range and whether a topical flea treatment is right for your pet.
PetArmor Plus Flea & Tick Topical 5-22 lbs at a Glance
| Feature | Details |
|---|---|
| Product | PetArmor Plus Flea & Tick Topical for Dogs |
| Dog Size | 5-22 lbs |
| Pack | 3 monthly doses |
| Treatment Type | Topical |
| Protection | Up to 30 days per dose |
| Fleas | Yes |
| Flea Eggs | Yes |
| Flea Larvae | Yes |
| Ticks | Yes |
| Chewing Lice | Yes |
| Waterproof | Yes |
| Prescription | No prescription needed |
| Application | Monthly |
| ASIN | B00WWP1U7I |
What Is PetArmor Plus Flea & Tick Topical?
PetArmor Plus is a topical flea and tick treatment made for dogs. You apply the liquid directly to the dog’s skin.
The 5-22 lb version is made for small dogs in that weight range. This is important because flea treatments are not one-size-fits-all.
The product comes with individual applicators. Each dose is meant for one monthly treatment.
PetArmor says the treatment works on more than adult fleas. It also targets flea eggs and larvae. That matters because fleas can keep coming back when only adult fleas are treated.
It also works against several types of ticks and chewing lice.
My First Look at the Product
The biggest thing I like about this type of treatment is the simple routine.
There is no pill to hide in food. There is no large bath to give your dog. There is also no need to spray the whole coat.
You open one applicator and place the treatment on the skin as directed.
For busy dog owners, that can be a big plus.
The 3-month pack also makes the schedule easy to follow. One dose is used each month.
Still, I would not buy any flea treatment based only on price or convenience. Your dog’s weight, age, health, skin condition, and other treatments all matter.
How Does PetArmor Plus Work?
PetArmor Plus is made to attack fleas and ticks while also helping stop the flea life cycle.
That second part is important.
Adult fleas can lay eggs. Those eggs can later become larvae and then develop through the flea life cycle. So killing adult fleas alone may not solve the whole problem.
PetArmor Plus is designed to kill:
- Adult fleas
- Flea eggs
- Flea larvae
- Ticks
- Chewing lice
It also helps prevent new flea infestations for several weeks after application.
The product starts killing fleas and ticks within about 24 hours, although the manufacturer notes that it can take up to 48 hours.
So I would not expect every flea to disappear right away.
How Long Does One Dose Last?
Each dose is designed to provide 30 days of protection.
That means the treatment should be applied once a month.
The 3-month package gives you three monthly doses.
A monthly routine is easy to remember. You can pick one day of the month and make it your dog’s flea and tick treatment day.
That is much easier than trying to remember several different treatment dates.
Is It Waterproof?
Yes.
PetArmor Plus is designed to be waterproof.
That is useful for dogs that enjoy outdoor play, rain, or water.
Still, I would follow the product instructions carefully when bathing your dog. Applying a topical treatment at the wrong time can affect how well it works.
Always check the package directions before use.
How Do You Apply PetArmor Plus?
Application is fairly simple.
First, make sure you have the correct product for your dog’s weight.
For the small-dog version, the dog should weigh 5 to 22 pounds.
The basic application process is:
- Remove one applicator.
- Hold it with the narrow end facing away from you.
- Cut or snap the applicator as directed.
- Part the dog’s hair.
- Place the tip directly on the skin.
- Apply the treatment according to the package instructions.
- Allow the area to dry.
The treatment should be placed on the skin rather than simply spread over the hair.
Do not let the product get into your dog’s eyes or mouth.
Do not allow your dog to lick the application area.
If you are unsure about the application, ask your veterinarian before using it.
Is PetArmor Plus Good for Small Dogs?
The 5-22 lb version is specifically made for small dogs in that weight range.
That is one of the strongest reasons to choose this version instead of guessing with another size.
Small dogs need the correct dose for their weight.
If your dog is close to the 22-pound limit, weigh your dog before using the product. Dogs can gain or lose weight, and the correct weight range matters.
Never use a larger-dog formula just because you already have it at home.
What I Like About PetArmor Plus
1. It Is Easy to Use
The topical format is simple.
You do not need to convince your dog to swallow a tablet.
You just apply the treatment to the skin.
For many owners, this is the main reason to choose a topical product.
2. It Covers More Than Adult Fleas
This is another strong point.
PetArmor Plus is designed to kill adult fleas as well as flea eggs and larvae.
That gives the treatment a broader job than simply killing the fleas you can see.
3. Monthly Protection Is Simple
One treatment every 30 days is easy to build into a routine.
You can set a monthly reminder and stay on schedule.
That can help prevent missed treatments.
4. It Also Targets Ticks
Fleas are not the only outdoor pest that can bother dogs.
Ticks can also be a concern.
PetArmor Plus is made to kill ticks along with fleas.
That gives small dogs another layer of protection during outdoor time.
5. It Is Waterproof
A waterproof formula is useful for active dogs.
Rain and normal water exposure do not mean you have to start over with a new dose.
6. The 3-Month Pack Is Convenient
Three doses mean three months of treatment.
You do not have to buy a new single dose every month.
It also gives you a simple way to plan ahead.
What I Do Not Like
1. It Needs Monthly Reapplication
There is no way around the monthly schedule.
You need to remember the next dose every 30 days.
Missing doses can leave a gap in protection.
2. Topical Treatments May Not Suit Every Dog
Some dogs do not like having liquid placed on their skin.
Others may have sensitive skin.
If your dog has a history of skin reactions, it is smart to talk with your vet before using a new flea treatment.
3. You Need the Correct Weight Range
This is not a product where you should guess.
The small-dog version is for dogs weighing 5-22 pounds.
If your dog is outside that range, choose the proper size instead.
4. It Does Not Replace Home Flea Control
This is an important point.
If your home already has a serious flea infestation, treating the dog alone may not solve the whole problem.
Flea eggs and immature fleas can remain in carpets, bedding, furniture, and other areas.
You may need a wider flea-control plan.
5. Results May Not Be Instant
The product begins working within about 24 hours, but the manufacturer says it can take up to 48 hours.
So I would give it time to work rather than assuming it failed after a few hours.
PetArmor Plus Flea & Tick Topical Pros and Cons
Pros
- Made for small dogs weighing 5-22 lbs
- Monthly application
- 3-month supply
- Kills adult fleas
- Targets flea eggs and larvae
- Kills ticks
- Kills chewing lice
- Waterproof formula
- Easy topical application
- No prescription needed
- Helps break the flea life cycle
- Convenient for regular flea and tick care
Cons
- Requires monthly use
- May not suit dogs with sensitive skin
- Correct weight selection is important
- Does not treat a whole home flea infestation by itself
- May take up to 48 hours to fully start working
- Some dogs may dislike the application area
PetArmor Plus vs. Oral Flea Treatments
The biggest difference is how the treatment is given.
PetArmor Plus is applied to the skin.
An oral flea treatment is swallowed.
A topical treatment may be easier for a dog that refuses pills. On the other hand, some owners prefer oral treatments because they do not want liquid sitting on the dog’s skin.
There is no single choice that is best for every dog.
Your dog’s habits and health can help determine which type makes more sense.
Is PetArmor Plus Easy to Use?
Yes, the basic process is simple.
The hardest part may be keeping your dog still long enough to part the hair and place the treatment on the skin.
If your dog is calm, this should be quick.
If your dog moves a lot, you may need another person to help.
I would also keep the package nearby the first time. Follow the exact instructions on the product label instead of relying only on a general online guide.
Who Should Consider PetArmor Plus?
I would consider this product for a small dog owner who wants:
- Monthly flea protection
- Tick protection
- A topical treatment
- A 3-month supply
- A waterproof formula
- A treatment for dogs between 5 and 22 pounds
- A non-prescription option
It can be especially convenient for owners who do not want to give their dog a flea pill.
Who May Want to Skip It?
This may not be the best choice for every dog.
You may want to speak with your veterinarian first if your dog:
- Has a history of reactions to flea treatments
- Has ongoing skin problems
- Takes other flea or tick products
- Takes other medications
- Is very young
- Is sick or recovering from an illness
- Is outside the 5-22 lb weight range
If your dog has a large flea infestation, you may also need a complete flea-control plan for both the pet and the home.
PetArmor Plus Flea & Tick Topical Dogs 5-22 lbs, 3-Month Reviews
When looking at PetArmor Plus Flea & Tick Topical Dogs 5-22 lbs, 3-Month reviews, I would pay attention to more than the star rating.
Look for comments about:
- How quickly fleas started to decrease
- How long protection lasted
- Skin reactions
- Ease of application
- The dog’s exact weight
- Whether the owner followed the monthly schedule
- Tick protection
- Results after several months
This gives you a better idea of how the product fits different dogs.
Flea treatments can also seem different from one dog to another. A product may work well for one dog but not solve a heavy flea problem in another home.
That is why I would look at the full picture instead of relying on one review.
Is PetArmor Plus Worth It?
For the right dog, I think PetArmor Plus can be a practical option.
The biggest strengths are the simple monthly application, 30-day protection, waterproof formula, and coverage against both fleas and ticks.
The 3-month pack also keeps the routine simple.
But I would not call it a perfect product for every dog.
You need to use the correct weight range. You also need to apply it on schedule.
And if fleas are already established in your home, you may need to treat the environment too.
Important Safety Tips
Flea and tick products should always be used exactly as directed.
Before applying PetArmor Plus:
- Confirm your dog’s weight.
- Make sure you have the correct dog formula.
- Read the product label.
- Follow the application directions.
- Keep the product away from your dog’s eyes and mouth.
- Do not let your dog lick the application area.
- Do not use a larger-size dose on a smaller dog.
- Do not combine flea and tick products without professional advice.
If your dog develops unusual irritation or another concerning reaction after treatment, contact your veterinarian.
Frequently Asked Questions
Is PetArmor Plus safe for dogs 5-22 lbs?
The 5-22 lb formula is made for dogs in that weight range. Always check the package label for age, weight, and other use instructions before applying it.
How often should I use PetArmor Plus?
It is designed for monthly use. One dose provides up to 30 days of protection.
Does PetArmor Plus kill fleas?
Yes. It is designed to kill adult fleas and also targets flea eggs and larvae.
Does PetArmor Plus kill ticks?
Yes. PetArmor Plus for dogs is designed to kill ticks, including several common tick types.
Does PetArmor Plus kill flea eggs?
Yes. The product is designed to kill flea eggs and larvae as part of its flea life-cycle control.
How fast does PetArmor Plus work?
The manufacturer says it starts killing fleas and ticks within 24 hours and may take up to 48 hours.
Is PetArmor Plus waterproof?
Yes. The formula is designed to be waterproof.
Can I use the 5-22 lb formula on a dog over 22 pounds?
No. Use the product that matches your dog’s correct weight range. Do not guess the dose.
Does PetArmor Plus require a prescription?
No. It is available without a prescription.
How many doses come in the 3-month package?
A 3-month package contains three monthly treatments.
Can I use PetArmor Plus with another flea treatment?
Do not combine flea and tick treatments unless your veterinarian tells you to do so. Using multiple products together can increase the risk of unwanted effects.
Can PetArmor Plus solve fleas in my house?
Not by itself. Fleas can live in the environment as eggs and immature stages. A serious infestation may need treatment of the pet and the home.
Can I use this product on cats?
No. The 5-22 lb product discussed in this review is made for dogs. Use a product specifically labeled for cats if you have a cat.
What if my dog has a skin reaction?
Stop and contact your veterinarian for advice, especially if the reaction is strong, persistent, or unusual.
Final Verdict
After looking closely at the features, use, benefits, and limitations, PetArmor Plus Flea & Tick Topical Dogs 5-22 lbs, 3-Month looks like a convenient option for small dogs that need regular flea and tick protection.
I like the simple monthly schedule.
I also like that it targets more than adult fleas. It is designed to kill flea eggs and larvae too, which helps address the flea life cycle.
The waterproof formula is another useful feature for active dogs.
Still, this is not a product I would choose blindly. Your dog needs to be in the correct 5-22 pound weight range, and you should follow the label closely.
If your small dog needs a monthly topical flea and tick treatment, PetArmor Plus is worth considering. If your dog has health issues, sensitive skin, or uses other parasite treatments, checking with your veterinarian first is the safer move.
Bottom line: PetArmor Plus offers a simple monthly way to help protect small dogs from fleas, ticks, and other pests. Its main appeal is convenience, broad flea control, and 30-day protection in an easy topical format.