---
product_id: 346727220
title: "Frontline Shield Flea & Tick Treatment for Medium Dogs 21-40 lbs. Count of 3"
brand: "frontline"
price: "FREE"
currency: PHP
in_stock: false
category: "Frontline"
url: https://www.desertcart.ph/products/346727220-frontline-shield-flea-and-tick-treatment-for-medium-dogs-21
store_origin: PH
region: Philippines
---

# Waterproof after 24h Kills fleas in 5 mins* Protects 30 days Frontline Shield Flea & Tick Treatment for Medium Dogs 21-40 lbs. Count of 3

**Brand:** frontline
**Price:** FREE
**Availability:** ❌ Out of Stock

## Summary

> 🛡️ Shield your best friend, every adventure, every day.

## Quick Answers

- **What is this?** Frontline Shield Flea & Tick Treatment for Medium Dogs 21-40 lbs. Count of 3 by frontline
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/346727220-frontline-shield-flea-and-tick-treatment-for-medium-dogs-21)

## Best For

- frontline enthusiasts

## Why This Product

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

## Key Features

- • **Rapid Action Defense:** Starts killing fleas within 5 minutes* and ticks in just 1 hour, so your dog stays itch-free fast.
- • **Waterproof & Durable:** Waterproof 24 hours post-application, perfect for active dogs who love the outdoors.
- • **Month-Long Protection:** One application shields your dog for a full 30 days, ensuring continuous peace of mind.
- • **Mosquito & Tick Repellent:** Repels disease-carrying ticks and mosquitoes, guarding against Lyme and heartworm.
- • **Easy, Stress-Free Application:** Topical formula absorbs quickly into skin glands, providing ongoing protection even if your dog gets wet.

## Overview

Frontline Shield Flea & Tick Treatment offers fast-acting, 30-day protection for medium dogs (21-40 lbs). It kills fleas within minutes and ticks within an hour, repels mosquitoes and ticks that transmit serious diseases, and remains waterproof 24 hours after application. Easy to apply and effective even if your dog gets wet, it’s the trusted choice for year-round defense.

## Description

Frontline Shield Flea & Tick Treatment for Medium Dogs 21-40 lbs. Count of 3 : desertcart.ae: Pet Supplies

## Features

- Starts killing fleas in 5 minutes* and ticks in 1 hour (*starting two days after application)
- Repels mosquitoes that may transmit heartworm disease
- Protects your dog for a full 30 days
- Convenient to use, easy to apply, waterproof 24 hours after application
- ls adult fleas, flea eggs & larvae and chewing lice

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08P3CYX3H |
| Active Ingredients | Fipronil, Permethrin, Pyriproxyfen |
| Age Range Description | All Life Stages |
| Allergen Information | Octopus Free |
| Brand Name | Frontline |
| Customer Reviews | 4.3 4.3 out of 5 stars (426) |
| Dog Breed Size | Medium |
| Included Components | Treatment |
| Item Form | Topical |
| Item Type Name | Topical |
| Manufacturer | Boehringer Ingelheim Animal Health |
| Manufacturer Part Number | 849 |
| Model Number | 849 |
| Scent Name | Unscented |
| Target Species | Dog |
| UPC | 350604064930 |
| Volume | 6 Milliliters |

## Product Details

- **Active Ingredients:** Fipronil, Permethrin, Pyriproxyfen
- **Brand:** Frontline
- **Item form:** Topical
- **Item weight:** 0.09 Pounds
- **Scent:** Unscented

## Images

![Frontline Shield Flea & Tick Treatment for Medium Dogs 21-40 lbs. Count of 3 - Image 1](https://m.media-amazon.com/images/I/71A0Hl8zuvL.jpg)

## Questions & Answers

**Q: Both of my dog's weights hover around 20 lbs, sometimes a bit over.  Should I choose the small or medium size product?**
A: The box will include the weight recommendation. I think 20 is medium but check the box to make sure.

## Frequently Bought Together

- Frontline Shield Flea & Tick Treatment for Medium Dogs 21-40 lbs. Count of 3
- Frontline Shield Flea & Tick Treatment for Large Dogs 41-80 lbs. Count of 3
- FRONTLINE Shield Flea & Tick Treatment for Small Dogs 11-20 lbs., Count of 3

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**Shop now:** [https://www.desertcart.ph/products/346727220-frontline-shield-flea-and-tick-treatment-for-medium-dogs-21](https://www.desertcart.ph/products/346727220-frontline-shield-flea-and-tick-treatment-for-medium-dogs-21)

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*Product available on Desertcart Philippines*
*Store origin: PH*
*Last updated: 2026-09-10*