---
product_id: 254644755
title: "Bayer K9 Advantix II Flea, Tick & Mosquito Prevention for Medium Dogs, 11-20 lbs"
brand: "k9 advantix"
price: "€ 82.65"
currency: EUR
in_stock: true
category: "K9 Advantix"
url: https://www.desertcart.fr/products/254644755-bayer-k9-advantix-ii-flea-tick-and-mosquito-prevention-medium
store_origin: FR
region: France
---

# Starts killing fleas in 12 hours Waterproof after 24 hours 2 months of continuous protection Bayer K9 Advantix II Flea, Tick & Mosquito Prevention for Medium Dogs, 11-20 lbs

**Brand:** k9 advantix
**Price:** € 82.65
**Availability:** ✅ In Stock

## Summary

> 🐾 Protect your pup like a pro—because they deserve the best defense!

## Quick Answers

- **What is this?** Bayer K9 Advantix II Flea, Tick & Mosquito Prevention for Medium Dogs, 11-20 lbs by k9 advantix
- **How much does it cost?** € 82.65 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/254644755-bayer-k9-advantix-ii-flea-tick-and-mosquito-prevention-medium)

## Best For

- k9 advantix enthusiasts

## Why This Product

- Trusted k9 advantix brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Triple Pest Shield:** Repels and kills fleas, ticks, and mosquitoes on contact—no bites needed.
- • **Rapid Action Defense:** Kills fleas within 12 hours so your dog stays itch-free fast.
- • **Year-Round Protection:** Effective all year to keep your medium dog safe through every season.
- • **Effortless Application:** Topical drops go on in seconds—no pills, no collars, no hassle.
- • **Vet-Recommended & Fragrance-Free:** Trusted formula that’s gentle, waterproof, and ready for outdoor adventures.

## Overview

Bayer K9 Advantix II offers medium dogs (11-20 lbs) a powerful, vet-recommended topical treatment that kills and repels fleas, ticks, mosquitoes, biting flies, and lice. Starting to work within 12 hours and providing up to 2 months of waterproof protection, it’s an easy-to-apply, fragrance-free solution designed for year-round pest control without the need for prescriptions.

## Description

Bayer K9 Advantix II Flea, Tick & Mosquito Prevention for Medium Dogs, 11-20 lbs : desertcart.ae: Pet Supplies

## Features

- TWO MONTH PROTECTION: 2 monthly applications of K9 Advantix II flea and tick prevention for medium dogs weighing 11 to 20 pounds
- FLEA, TICK AND MOSQUITO PROTECTION: K9 Advantix II flea and tick prevention for dogs works through contact, so fleas, ticks and mosquitoes do not have to bite your dog to die
- EASY TO APPLY: K9 Advantix II flea and tick control for dogs is an easy to apply topical formula
- STARTS WORKING WITHIN 12 HOURS: Starts working to kill fleas within 12 hours and keeps working for 30 days
- EFFECTIVE YEAR-ROUND: Suitable for effective year-round flea and tick treatment for medium dogs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Pet Type | Dog |
| Product Dimensions | 2.54 x 11.11 x 12.07 cm; 9.07 g |
| Item model number | 86314991 |
| Breed Recommendation | medium dogs, 11 - 20 lbs |
| Pet Life Stage | Puppy |
| Item Form | Drops |
| Allergen Information | Abalone Free |
| Size | 2 Pack |
| Volume | 2 Milliliters |
| Number of Items | 1 |
| Quantity | 1 |
| Storage Information | Store at temperatures and conditions as indicated on the product label. |
| Specific Uses | do not use on cats |
| batteries required | No |
| Batteries Included | No |
| Item Weight | 9.06 g |

## Product Details

- **Brand:** K9 Advantix
- **Item form:** Drops
- **Scent:** Topical
- **Item weight:** 0.32 Ounces
- **Active Ingredients:** Imidacloprid, Permethrin, Pyriproxyfen

## Images

![Bayer K9 Advantix II Flea, Tick & Mosquito Prevention for Medium Dogs, 11-20 lbs - Image 1](https://m.media-amazon.com/images/I/71VIzeRO-YL.jpg)

## Questions & Answers

**Q: does this work on mosquitos**
A: Yes! It will keep the fleas off the mosquito. But at the same time, it will kill the mosquito. Use only on dogs from 11-20 lbs.

**Q: Does Amazon assure that these medicines are not expired or tampered?  Is the supplier veterinarian approved?**
A: Yes,  Piccardmeds4pets Corp was created by a Veterinarian Professional, with over 20 years of experience in the field. We have partner with major distributors to bring you not only the best the best prices, but quality and fresh product.

**Q: can i give my dog a bath**
A: Its best to wait a few days before bathing your pet. It gives the medicine time to soak into the skin and do what its designed to do best.

**Q: how long after a bath can I put this on my dog?**
A: Go ahead and put the drops on your dog immediately after bathing.

## Frequently Bought Together

- K9 Advantix II Medium Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs 11-20 lbs. | 2-Mo Supply
- K9 Advantix II XL Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs Over 55 lbs. | 2-Mo Supply
- K9 Advantix II Large Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs 21-55 lbs. | 2-Mo Supply (Packaging may vary)

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**Shop now:** [https://www.desertcart.fr/products/254644755-bayer-k9-advantix-ii-flea-tick-and-mosquito-prevention-medium](https://www.desertcart.fr/products/254644755-bayer-k9-advantix-ii-flea-tick-and-mosquito-prevention-medium)

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*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-01-25*