---
product_id: 346727220
title: "Frontline Shield Flea & Tick Treatment for Medium Dogs 21-40 lbs. Count of 3"
brand: "frontline"
price: "€ 160.29"
currency: EUR
in_stock: false
reviews_count: 5
category: "Frontline"
url: https://www.desertcart.fr/products/346727220-frontline-shield-flea-and-tick-treatment-for-medium-dogs-21
store_origin: FR
region: France
---

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

**Brand:** frontline
**Price:** € 160.29
**Availability:** ❌ Out of Stock

## Summary

> 🛡️ Protect your pup, own every adventure—no pests allowed!

## 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?** € 160.29 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/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

- • **Month-Long Shield:** Provides continuous, 30-day protection against fleas, ticks, and mosquitoes that carry heartworm and Lyme disease.
- • **Rapid Action Defense:** Starts killing fleas within 5 minutes* and ticks in just 1 hour, so your dog stays itch-free fast.
- • **Waterproof Confidence:** Waterproof 24 hours after application, ensuring protection even during swims or rainy walks.
- • **Trusted & Vet-Recommended:** From the #1 flea and tick brand, with proven efficacy and a 4.2-star rating from thousands of satisfied pet parents.
- • **Easy, Stress-Free Application:** Topical formula that spreads quickly and absorbs into sebaceous glands for ongoing defense without hassle.

## Overview

FRONTLINE Shield Flea & Tick Treatment offers fast-acting, 30-day protection for medium dogs (21-40 lbs), killing fleas within minutes and ticks within an hour. Its waterproof formula repels mosquitoes that transmit heartworm and ticks that carry Lyme disease, ensuring your dog stays protected rain or shine. Easy to apply and trusted by vets, it continuously replenishes through sebaceous glands for lasting defense.

## Description

FRONTLINE Shield for Dogs, from the #1 name in flea and tick protection*, is the fastest working FRONTLINE product. It is proven flea and tick protection with repellency action against ticks and mosquitoes. FRONTLINE Shield repels ticks that may transmit Lyme disease and mosquitos that may lead to heartworm disease. The long-lasting, 3-in-1 flea and tick topical formula protects your dog for a full 30 days. It is an effective flea and tick treatment for pups big and small, effective for puppies as young as 9 weeks and weighing at least 5 pounds. After application, the treatment rapidly covers your dog's entire body and deposits in the sebaceous glands. These glands act as a reservoir, continuously replenishing the treatment onto your dog, working even if your dog gets wet.** Apply monthly to ensure your dog is protected all year long. So, no matter your plans, FRONTLINE Shield protects from fleas and ticks —inside your house, outside on walks and hikes, and everywhere in-between. Protect your dog with FRONTLINE Shield so you can go anywhere together. Subscribe and save today to make it easier to keep your dogs or cats protected year-round and make sure you never run out of FRONTLINE Shield. Be sure to visit our brand store and follow us to stay up to date on new FRONTLINE products, features, tips and more. (References: *Data on file at Boehringer Ingelheim; **Waterproof 24 hours after application)

Review: Works as expected
Review: Works very well

## 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 |
| Allergen Information | Octopus Free |
| Breed Recommendation | Medium |
| Customer Reviews | 4.2 4.2 out of 5 stars (423) |
| Date First Available | 23 November 2020 |
| Item Form | Topical |
| Item Weight | 32 g |
| Item model number | 849 |
| Number of Items | 3 |
| Pet Life Stage | All Life Stages |
| Pet Type | Dog |
| Product Dimensions | 1.88 x 14.72 x 11.16 cm; 32 g |
| Quantity | 1 |
| Size | 3 Count |
| Specific Uses | Parasites |
| Volume | 6 Milliliters |
| batteries required | No |

## Product Details

- **Active Ingredients:** Fipronil, Permethrin, Pyriproxyfen
- **Brand:** Frontline
- **Item form:** Topical
- **Item volume:** 6 Milliliters
- **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)
![Frontline Shield Flea & Tick Treatment for Medium Dogs 21-40 lbs. Count of 3 - Image 2](https://m.media-amazon.com/images/I/819PEkMogyL.jpg)
![Frontline Shield Flea & Tick Treatment for Medium Dogs 21-40 lbs. Count of 3 - Image 3](https://m.media-amazon.com/images/I/81TKON2cvRL.jpg)
![Frontline Shield Flea & Tick Treatment for Medium Dogs 21-40 lbs. Count of 3 - Image 4](https://m.media-amazon.com/images/I/81emsLKl7vL.jpg)
![Frontline Shield Flea & Tick Treatment for Medium Dogs 21-40 lbs. Count of 3 - Image 5](https://m.media-amazon.com/images/I/81TyI4z0dbL.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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by A***R on 1 June 2025*

Works as expected

### ⭐⭐⭐⭐⭐ Review
*by B***I on 2 August 2025*

Works very well

### ⭐⭐⭐⭐⭐ Review
*by E***D on 16 May 2025*

It works very well for my puppy.

## 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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---

*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-02-28*