---
product_id: 275291135
title: "Bayer K9 Advantix II, Medium Dogs, 11 to 20-Pound, 6-Month"
brand: "k9 advantix"
price: "₨76026"
currency: LKR
in_stock: true
reviews_count: 5
category: "K9 Advantix"
url: https://www.desertcart.lk/products/275291135-bayer-k9-advantix-ii-medium-dogs-11-to-20-pound
store_origin: LK
region: Sri Lanka
---

# 6-month long protection Ideal for 11-20 lb medium dogs Waterproof formula Bayer K9 Advantix II, Medium Dogs, 11 to 20-Pound, 6-Month

**Brand:** k9 advantix
**Price:** ₨76026
**Availability:** ✅ In Stock

## Summary

> 🐾 Stay ahead of pests, keep your pup carefree!

## Quick Answers

- **What is this?** Bayer K9 Advantix II, Medium Dogs, 11 to 20-Pound, 6-Month by k9 advantix
- **How much does it cost?** ₨76026 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/275291135-bayer-k9-advantix-ii-medium-dogs-11-to-20-pound)

## 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

- • **Precision fit:** Formulated specifically for medium dogs weighing 11 to 20 pounds
- • **Fast-acting formula:** Starts repelling fleas and ticks quickly to keep discomfort at bay
- • **Long-lasting defense:** Protect your furry friend for a full 6 months without worry
- • **Trusted Bayer quality:** Backed by a top-rated brand with 4.6 stars from over 8,000 reviews
- • **Waterproof resilience:** Keeps working even after your dog’s splashy adventures

## Overview

Bayer K9 Advantix II is a topical flea and tick treatment designed for medium dogs weighing 11 to 20 pounds. Offering up to 6 months of waterproof protection, it acts fast to repel pests and is allergen-free. Trusted by thousands of pet owners, this Bayer product ensures your dog stays comfortable and pest-free through every season.

## Description

Buy Bayer K9 Advantix II, Medium Dogs, 11 to 20-Pound, 6-Month online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

Review: En la caja vienen 6 pipetas, como se indica en la descripción: 4 de ellas vienen en el sobre hermético de la propia caja y las otras 2 vienen sueltas (la caja realmente es de 4). Contenta con la calidad de Advantix, no me arriesgo a probar con otra marca. Muy recomendado por la relación calidad-precio.
Review: Amazing product. The only brand I use to keep fleas of my Lil guy. Works fast and last a long time. Makes him a Lil lethargic on the first day of applying. But back to normal the next day. Keeps the fleas at bay an is waterproof

## Features

- manufacturer: K9 Advantix
- Item Trademark: K9 ADVANTIX
- Item Weight: pounds, pounds, 0.10, 0.10
- Item Category: Pet Pest Control

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B004QN0LYW |
| Allergen Information | Allergen-Free |
| Batteries Included | No |
| Best Sellers Rank | #28,835 in Pet Supplies ( See Top 100 in Pet Supplies ) #101 in Dog Flea & Tick Control |
| Customer Reviews | 4.6 4.6 out of 5 stars (8,124) |
| Date First Available | 8 August 2012 |
| Item Form | Topical |
| Item Weight | 49.9 g |
| Item model number | 86315122 |
| Pet Life Stage | 7 weeks and older |
| Product Dimensions | 20.07 x 12.7 x 5.84 cm; 49.9 g |
| Quantity | 1 |
| Volume | 6 Milliliters |
| batteries required | No |

## Product Details

- **Active Ingredients:** Imidacloprid, Permethrin, Pyriproxyfen
- **Brand:** K9 Advantix
- **Item form:** Topical
- **Item weight:** 50 g
- **Scent:** Unscented

## Images

![Bayer K9 Advantix II, Medium Dogs, 11 to 20-Pound, 6-Month - Image 1](https://m.media-amazon.com/images/I/71ycK8f5pGL.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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by S***4 on 10 June 2018*

En la caja vienen 6 pipetas, como se indica en la descripción: 4 de ellas vienen en el sobre hermético de la propia caja y las otras 2 vienen sueltas (la caja realmente es de 4). Contenta con la calidad de Advantix, no me arriesgo a probar con otra marca. Muy recomendado por la relación calidad-precio.

### ⭐⭐⭐⭐⭐ Review
*by D***S on 18 December 2025*

Amazing product. The only brand I use to keep fleas of my Lil guy. Works fast and last a long time. Makes him a Lil lethargic on the first day of applying. But back to normal the next day. Keeps the fleas at bay an is waterproof

### ⭐⭐⭐⭐⭐ Review
*by 2***S on 13 February 2014*

I live on the Gulf Coast. Mosquitos are a big part of life here and that is one of the main reasons I chose Advantix and stick with it. It repels and kills mosquitos. I have a miniature schnauzer, so her belly is pretty low to the ground and they love to lunch on her. This does the trick. As far as fleas: Never have had a one and fleas are terrible here. Never. Not. Once. I usually buy an entire year at a time so I'm never without because if you stop treatment, those fleas will find you. Biting flies, repels those too. Now we're on to ticks. I'll be honest, this does nothing for my dog and ticks. I do have a fenced in very small yard in the middle of downtown. There are no ticks here, so it's not a worry for me. When I first took her hiking is when I realized Advantix must be candy for ticks. She was covered. It didn't repel and it didn't kill them. I talked to the vet about it she said that others had said that about Advantix and she recommended I switch. I didn't want to because of the mosquitos so she told me about Virbac Preventic tick collar when we go hiking. I came home, went straight here and bought a 2 pack. It's not cheap but I tell you it works. Went camping and a few ticks were brave enough to jump on her but they struggled; they couldn't get a hold of her and they started getting weird and just fell off. None attached and only 3 tried it. So if you have a tick issues give that a try but as for Advantix and fleas/mosquitos/flies, just do it. Your furbaby will thank you.

## Frequently Bought Together

- K9 Advantix II Medium Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs 11-20 lbs. | 6-Mo Supply
- K9 Advantix II XL Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs Over 55 lbs. | 6-Mo Supply
- K9 Advantix II Large Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs 21 - 55 lbs. | 6-Mo Supply

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**Shop now:** [https://www.desertcart.lk/products/275291135-bayer-k9-advantix-ii-medium-dogs-11-to-20-pound](https://www.desertcart.lk/products/275291135-bayer-k9-advantix-ii-medium-dogs-11-to-20-pound)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-25*