---
product_id: 559808312
title: "FirstAct Plus Flea Treatment for Dogs, Medium Dogs 23-44 lbs, 3 Doses, Same Active Ingredients as Frontline Plus Flea and Tick Prevention for Dogs"
brand: "tevrapet"
price: "NT$1953"
currency: TWD
in_stock: true
category: "Tevra Pet"
url: https://www.desertcart.tw/products/559808312-firstact-plus-flea-treatment-for-dogs-medium-dogs-23-44
store_origin: TW
region: Taiwan
---

# Kills fleas, eggs, larvae & ticks fast Waterproof formula 3 months continuous protection FirstAct Plus Flea Treatment for Dogs, Medium Dogs 23-44 lbs, 3 Doses, Same Active Ingredients as Frontline Plus Flea and Tick Prevention for Dogs

**Brand:** tevrapet
**Price:** NT$1953
**Availability:** ✅ In Stock

## Summary

> 🐾 Protect your pup like a pro—no pests, no worries!

## Quick Answers

- **What is this?** FirstAct Plus Flea Treatment for Dogs, Medium Dogs 23-44 lbs, 3 Doses, Same Active Ingredients as Frontline Plus Flea and Tick Prevention for Dogs by tevrapet
- **How much does it cost?** NT$1953 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/559808312-firstact-plus-flea-treatment-for-dogs-medium-dogs-23-44)

## Best For

- tevrapet enthusiasts

## Why This Product

- Trusted tevrapet brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Waterproof Warrior:** Keeps working after swimming or baths
- • **Triple-Dose Defense:** 3 applicators for a full 3-month shield
- • **Broad-Spectrum Power:** Eliminates fleas, eggs, larvae, lice & ticks including Lyme carriers
- • **Budget-Smart Protection:** Premium flea & tick control without the premium price
- • **Trusted Active Ingredients:** Same proven fipronil + (S)-methoprene as Frontline Plus

## Overview

FirstAct Plus Flea Treatment offers medium dogs (23-44 lbs) a powerful, waterproof monthly defense against fleas, flea eggs, larvae, chewing lice, and all tick stages, including Lyme disease carriers. Featuring the same active ingredients as Frontline Plus, this 3-dose pack delivers professional-grade protection at a wallet-friendly price.

## Description

TevraPet FirstAct Plus for dogs kills fleas, flea eggs and larvae, and chewing lice. It kills all stages of ticks including those that may transmit Lyme disease, and aids in the control of sarcoptic mange. FirstAct Plus contains the same active ingredients (fipronil (S)-methoprene) as Frontline Plus for dogs, but costs less. The waterproof formula continues working even after a swim or bath. The package includes three (3) applicators, each good for 1 month of protection. Apply this product monthly for up to three (3) months of protection for your pet and household. EPA Registration Number 88052-15-92413.

## Features

- Contains the same active ingredients as Frontline Plus for dogs
- Kills fleas, flea eggs and larvae, chewing lice, and all stages of ticks including those that may transmit Lyme disease
- Includes 3 applicators for 3 months of protection
- Waterproof - use on your dog monthly, no need to reapply after swimming or bathing
- Active ingredients fipronil + (S)-methoprene

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B06XK5LWTH |
| Active Ingredients | Methoprene |
| Age Range Description | All Life Stages |
| Allergen Information | Gluten Free |
| Brand Name | TevraPet |
| Customer Reviews | 4.1 4.1 out of 5 stars (940) |
| Dog Breed Size | Medium |
| Global Trade Identification Number | 00190623000133 |
| Item Form | Drops |
| Item Type Name | Flea & Tick for Dogs |
| Item Weight | 1.05 Ounces |
| Manufacturer | Tevra Brands |
| Manufacturer Part Number | 13 |
| Model Number | 00013 |
| Scent Name | water |
| Target Species | Dog |
| UPC | 190623000133 |
| Volume | 0.14 Fluid Ounces |

## Product Details

- **Active Ingredients:** Methoprene
- **Brand:** TevraPet
- **Item form:** Drops
- **Item weight:** 1.05 Ounces
- **Scent:** water

## Images

![FirstAct Plus Flea Treatment for Dogs, Medium Dogs 23-44 lbs, 3 Doses, Same Active Ingredients as Frontline Plus Flea and Tick Prevention for Dogs - Image 1](https://m.media-amazon.com/images/I/717Fpd901pL.jpg)

## Questions & Answers

**Q: What do you recrecommend for heartworm prevention**
A: My Dr give the medication

**Q: How long do I have to wait before I give my dog a bath after I apply flea medicine?**
A: I had to bath my dogs after 3 days they were itching uncontrollably! I believe  they had an allergic reaction to this medication.

**Q: Why can't this be sent to my address in Northern California?**
A: I don't know why that is. I would contact Amazon customer service to find out why.

**Q: Is this for heartworm?**
A: no -- only to control the pests not to prevent heartworm

## Frequently Bought Together

- FirstAct Plus Flea Treatment for Dogs, Medium Dogs 23-44 lbs, 3 Doses, Same Active Ingredients as Frontline Plus Flea and Tick Prevention for Dogs
- FirstAct Plus Flea Treatment for Dogs, Small Dogs 6-22 lbs, 3 Doses, Same Active Ingredients as Frontline Plus Flea and Tick Prevention for Dogs
- TevraPet FirstAct Plus Flea and Tick Topical for Cats over 1.5lbs, 3 Dose Waterproof Flea and Tick Control/Prevention for 3 Months

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**Shop now:** [https://www.desertcart.tw/products/559808312-firstact-plus-flea-treatment-for-dogs-medium-dogs-23-44](https://www.desertcart.tw/products/559808312-firstact-plus-flea-treatment-for-dogs-medium-dogs-23-44)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-09-24*