TevraPet FirstAct Plus Flea & Tick Spot Treatment for Dogs, 23 - 44lbs, 3 Doses (3-mos. supply)

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About This Item

Details

  • FirstAct Plus is formulated with fipronil and (S)-methoprene for comprehensive flea and tick protection.
  • It works to kill existing flea and ticks, provide protection from all stages of ticks, and prevent flea eggs and larvae from developing.
  • The waterproof topical drops kill fleas and ticks on contact before your dog has been bitten.
  • FirstAct Plus for Dogs prevents the development of flea eggs and larvae, helping to stop future infestations before they start.
  • Made in the USA using high quality standards.

Ingredients

Instructions

Learn More About TevraPet From Our Team of Experts

Questions & Answers

5 Customer Questions


my dog's (Jack Russell/Beagle Mix) weight varies between 22-24lbs. what dosage should I give her?


Is this product safe for Shelties and Collies?

Answer by ChewyAug 08, 2023
This product is safe for all breeds when used as directed.

What are the % of the fipronil and methoprene?

Answer by ChewyOct 27, 2022
Tevrapet Firstact Plus for Dogs contains 9.8% Fipronil and 8.8% (S) Methoprene.

How do you apply this

Answer by ChewyFeb 17, 2022
To apply this treatment, locate an area on your dog's back that they cannot reach. Then part your dog's fur until their skin is visible and apply the tip of the tube directly to their skin. Gently squeeze to release the solution and apply evenly to their shoulder to the base of your dog's tail. Depending on their size, placements may vary. We encourage following the directions on the product package.

4.2
Rated 4.2 out of 5 stars
368 Ratings

Customers Mention

Chewy identifies key considerations with the help of artificial intelligence and our veterinarians.

Ease of Use

81% Positive

Effectiveness

81% Positive

Ingredients

84% Positive

Long-Term Benefits

84% Positive

187 Customer Reviews



Always consult a veterinarian about your pet’s health needs. Customer reviews should not be used as medical advice.

Rated 4 out of 5 stars
By DogLuvr on Jan 2, 2026

Rating for both Product & Shipper

FirstAct Plus Flea & Tick [5 stars]: This product has been working great for my dogs with no issues with fleas or ticks. I will continue to use it as long as it's

FirstAct Plus Flea & Tick [5 stars]: This product has been working great for my dogs with no issues with fleas or ticks. I will continue to use it as long as it's effective. In addition, the price is very reasonable. Shipper [0 stars]: The shipping company used was OnTrac. I have had consistently bad experiences with this company. They once left the package by our gate and since we can't see it from our house, it was stolen. This time, despite giving them the gate code 3 times, it still took them 3 attempts to deliver it and they didn't even use the gate code, they just left it at the gate. I was lucky someone didn't take this one too. You can't call this company, it has to be a chat or email. Even after almost on hour on a chat with a rep, they still took 2 more attempts to deliver the package. I can't believe this company is still in business and I wish Chewy didn't use them.


Rated 5 out of 5 stars
By Lucius on Nov 14, 2025

Quality flea/tick prevention

I've used this product for years and my dogs rarely (if ever) have any attached ticks. Any I've ever found on them are dessicated (dried up/unalived) thanks to this

I've used this product for years and my dogs rarely (if ever) have any attached ticks. Any I've ever found on them are dessicated (dried up/unalived) thanks to this preventative topical solution. That's saying A LOT being that we live on the mountain. It lasts 30 days easily but 35 days is still good (I'm human and sometimes forget to mark the exact day but it's still good to go if you are accidentally a few days beyond 30) Easy to apply. Does its job. Cost efficient.


Rated 1 out of 5 stars
By Marla on Dec 2, 2025

Not for WA weather!

We purchased the Tevrapet flea meds for our huge puppies but it rained for a week straight here. I don't think the flea meds had a chance to do what it needed to

We purchased the Tevrapet flea meds for our huge puppies but it rained for a week straight here. I don't think the flea meds had a chance to do what it needed to do with the dogs having to potty outside in the rain.


Rated 2 out of 5 stars
By leslie on Nov 16, 2025

I’m still seeing fleas

I gave both of them good baths, dried them good. Put it on and I’m still finding fleas. Not as many. But they are still there

I gave both of them good baths, dried them good. Put it on and I’m still finding fleas. Not as many. But they are still there


Rated 1 out of 5 stars
By Ashton on Aug 28, 2025

Fleas.... Again...

On my corgi, 5 days after flea bath, and flea treatment, she is covered again in fleas. I was so hoping this would work, I didn't want to resort to chewables as

On my corgi, 5 days after flea bath, and flea treatment, she is covered again in fleas. I was so hoping this would work, I didn't want to resort to chewables as the chemicals are so so potent. So bummed out! My rough collie too is again covered after treatment. Both well within the weight range on this medication. Don't waste your money!


Rated 5 out of 5 stars
By Laurie on Jan 7, 2026

Their helpfulness.

Looked i to a coupon that I had and took care of it easily in a chat.

Looked i to a coupon that I had and took care of it easily in a chat.


Rated 5 out of 5 stars
By Donna on Nov 1, 2025

FLEA AND TICK TREATMENT

TEVRAPET has kept my dog free of fleas just as it advertises. Comparable to the well known brands. I will continue buying.

TEVRAPET has kept my dog free of fleas just as it advertises. Comparable to the well known brands. I will continue buying.


Rated 5 out of 5 stars
By Sharon on Nov 22, 2025

Pet Review

Product was received promptly. It was easy to apply and it seemed to work quickly on our dog.

Product was received promptly. It was easy to apply and it seemed to work quickly on our dog.


Rated 5 out of 5 stars
By Melinda on Oct 9, 2025

Easy application

My dog was suffering from fleas and on day 2 of applying this, he began to feel some relief. So far product seems to be working.

My dog was suffering from fleas and on day 2 of applying this, he began to feel some relief. So far product seems to be working.


Rated 5 out of 5 stars
By Leo on Jan 10, 2026

Working so far

We'll see if it will last for a month the medication

We'll see if it will last for a month the medication