---
product_id: 50563916
title: "Johnson's 4Fleas Spot-On for Medium Dogs"
brand: "johnson's veterinary"
price: "HK$154"
currency: HKD
in_stock: true
reviews_count: 9
category: "Johnson's Veterinary"
url: https://www.desertcart.hk/products/50563916-johnsons-4fleas-spot-on-for-medium-dogs
store_origin: HK
region: Hong Kong
---

# Kills fleas & larvae in 24h Easy, no-mess spot-on drops Up to 4 weeks protection Johnson's 4Fleas Spot-On for Medium Dogs

**Brand:** johnson's veterinary
**Price:** HK$154
**Availability:** ✅ In Stock

## Summary

> 🐾 Flea-free in a flash—because your dog’s comfort can’t wait!

## Quick Answers

- **What is this?** Johnson's 4Fleas Spot-On for Medium Dogs by johnson's veterinary
- **How much does it cost?** HK$154 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/50563916-johnsons-4fleas-spot-on-for-medium-dogs)

## Best For

- johnson's veterinary enthusiasts

## Why This Product

- Trusted johnson's veterinary brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Vet-Trusted Formula:** Allergen-free and highly rated by thousands of pet owners for safe, reliable flea control.
- • **Long-Lasting Defense:** Provides up to 4 weeks of continuous protection, keeping your medium dog flea-free and comfortable.
- • **Effortless Application:** Simple spot-on drops that are quick to apply—no fuss, no smell, just effective care.
- • **Rapid Flea Eradication:** Eliminates fleas and larvae within 24 hours—because your dog deserves instant relief.
- • **Tailored for Medium Dogs:** Specifically designed for dogs 10-25kg, ensuring optimal dosage and maximum effectiveness.

## Overview

Johnson's 4Fleas Spot-On for Medium Dogs delivers fast-acting flea and larvae elimination within 24 hours, with up to 4 weeks of protection. Designed for dogs weighing 10-25kg, this easy-to-apply, allergen-free treatment is highly rated for its effectiveness and convenience, making it a top choice for proactive pet parents.

## Description

Kills fleas and flea larvae within 24 hours, providing up to 4 weeks of reliable protection against fleas and biting lice for medium dogs 10-25kg. Easy to apply.

Review: Highly recommend - Stopped the fleas really quick I couldn’t believe how quick this worked on my frenchie. Had no smell to it, I continue to use this and have done for a number of years
Review: excellent and competitivel priced - effective and good quality

## Features

- For medium dogs
- Kills fleas
- kills flea larvae in the area around your dog
- Model number: 14D043

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00YHGR93Y |
| Allergen Information | Allergen-Free |
| Batteries Included | No |
| Batteries required | No |
| Best Sellers Rank | 1,985 in Pet Supplies ( See Top 100 in Pet Supplies ) 5 in Dog Flea & Tick Home Control Treatments |
| Breed Recommendation | Large, Medium, Small |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,679) |
| Date First Available | 29 May 2015 |
| Delivery information | We cannot deliver certain products outside mainland UK ( Details ). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout. |
| Item Form | Drops |
| Item Weight | 20 g |
| Item model number | 720707.0 |
| Number of Items | 1 |
| Pet Life Stage | Adult |
| Pet Type | Dogs |
| Product Dimensions | 10 x 9 x 2.5 cm; 20 g |
| Quantity | 1 |
| Size | Medium Dogs |
| Specific Uses | for fleas and ticks |
| Volume | 7.83 Fluid Ounces |

## Product Details

- **Active ingredients:** Imidacloprid
- **Age range (description):** Adult
- **Allergen information:** Allergen-Free
- **Brand:** JOHNSON'S VETERINARY
- **Dog Breed Size:** Large, Medium, Small
- **Item form:** Drops
- **Item volume:** 7.83 Fluid Ounces
- **Item weight:** 0.02 Kilograms
- **Pet Type:** Dog
- **Scent:** Unscented

## Images

![Johnson's 4Fleas Spot-On for Medium Dogs - Image 1](https://m.media-amazon.com/images/I/21p+MxgLiOL.jpg)
![Johnson's 4Fleas Spot-On for Medium Dogs - Image 2](https://m.media-amazon.com/images/I/71SnzehREpL.jpg)
![Johnson's 4Fleas Spot-On for Medium Dogs - Image 3](https://m.media-amazon.com/images/I/71exM24Ul0L.jpg)
![Johnson's 4Fleas Spot-On for Medium Dogs - Image 4](https://m.media-amazon.com/images/I/81U-4gFFvRL.jpg)

## Questions & Answers

**Q: Does this contain Fipronil**
A: I have just checked the ingredients in the instruction leaflet and this is what it says .. each pipette contains 250mg imidacloprid as active substance, 2.5mg butylhydroxytoluene (E321) and 2080.0mg benzyl alcohol (E1519).   I hope that this helps

**Q: I have a yorkshire terrier do i need small or medium ?**
A: I used the same size on both my dogs and one is small and one is medium .

**Q: What ingredients are in this product?**
A: I'm sorry I hAve no idea. I have never looked as I trust Johnson used there products for years.

**Q: Is this a preventative medication or treatment for dogs already with fleas?**
A: This will kill fleas but not the eggs, best getting flea prevention from the vet 🙂

## Customer Reviews

### ⭐⭐⭐⭐⭐ Highly recommend
*by B***L on 26 January 2026*

Stopped the fleas really quick I couldn’t believe how quick this worked on my frenchie. Had no smell to it, I continue to use this and have done for a number of years

### ⭐⭐⭐⭐⭐ excellent and competitivel priced
*by R***N on 3 September 2025*

effective and good quality

### ⭐⭐⭐⭐ Effective
*by G***Y on 18 December 2025*

Good make .vet effective

## Frequently Bought Together

- Johnson's 4Fleas Spot-On for Medium Dogs
- Bob Martin Clear 3-in-1 Wormer for Dogs (4 Tablets) - For Small, Medium and Large Dogs up to 40kg, Clinically Proven Treatment

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-02-01*