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Flea and tick treatments for dogs: how to choose the right protection for your dog’s weight and lifestyle

Fleas, ticks, mosquitoes, sand flies and chewing lice can all be picked up on walks, in the garden or while travelling. But choosing a flea and tick treatment for your dog isn’t simply a matter of comparing the price of a few boxes. Your dog’s weight, the parasites targeted, how often the treatment needs applying and any precautions can vary considerably from one product to another.

Common pitfalls to avoid before buying

1. Confusing the stated protection period with how long the product will actually last

A box containing several pipettes doesn’t necessarily mean several months of protection. Check the stated duration for each pipette, as well as how often it needs to be reapplied. Some dog flea and tick treatments are applied every four weeks, while a collar may be designed to last for several months.

2. Guessing the right dose

Using a pipette intended for a 10–25 kg dog on a lighter animal isn’t just a practical approximation. Each weight category has a specific dose and formulation. Weigh your dog regularly, especially if they’re still a puppy, then choose the weight range that genuinely fits.

3. Assuming water resistance has no limits

The words ‘water-resistant’ don’t mean the product will retain all its properties after frequent or prolonged swimming. With several flea treatment pipettes for dogs, it’s recommended that you avoid bathing your dog for 48 hours before and after application. A collar may withstand rain and moderate exposure to water, but repeated immersion could reduce how long it lasts.

What to check before choosing

Your dog’s weight, age and size

Treatments are generally available for very small, small, medium, large and very large dogs. The product information should also state the minimum age for use. In the selection below, several products can be used from 7 weeks, while Fiprotec requires a minimum age of 8 weeks, as well as a specific minimum weight.

If you have a puppy, a pregnant or nursing dog, an older dog or a pet that is already receiving treatment, ask a vet or pharmacist for advice before use.

The parasites targeted

Not all products target the same parasites. Dog treatments containing fipronil mainly target fleas and ticks. Other formulas also claim to work against mosquitoes, sand flies, chewing lice and stable flies.

Read the label carefully rather than relying on vague claims such as ‘complete protection’. For ticks, check whether the product works on contact, has a repellent effect or mainly takes effect after contact with the parasite.

The format and how often it needs applying

  • Pipettes: apply directly to healthy skin, usually between the shoulder blades or at several points, as directed on the label. They’re a good choice if you prefer to set a monthly reminder.
  • Flea and tick collars for dogs: help you avoid missed doses and only require you to check the fit regularly. As a general rule, you should be able to fit two fingers between the collar and your dog’s neck.
  • Targeted formula: check the active ingredients, the parasites covered, age restrictions and any precautions to take if you have other pets at home.

Never apply a pipette to irritated or damaged skin. After application, avoid touching the area until it is completely dry, and wash your hands thoroughly.

Our picks for different needs

Recommended for : First-time buyers on a budget
BEAPHAR Fiprotec Spot On for Dogs 2-10 kg 4 Pipettes

BEAPHAR Fiprotec Spot On for Dogs 2-10 kg 4 Pipettes

Why it’s a good fit: This pack is for owners looking for a pipette treatment for dogs weighing between 2 and 10 kg. It contains four doses.

How this product helps you avoid the pitfalls

The weight range and how often to reapply are clearly stated. However, you should still check the minimum age and read the label before each use.

Key benefits

The formula contains fipronil and is applied directly to the skin. It is indicated for fleas and ticks on dogs weighing 2–10 kg.

Recommended for : Those who prefer premium products
Seresto Dog flea and tick collar for small dogs

Seresto Dog – Collar for small dogs up to 8 kg

Why it’s a good fit: This collar is ideal for owners who would rather avoid monthly applications and prefer a longer interval between replacements.

How this product helps you avoid the pitfalls

The stated protection period of up to eight months comes with regular fit checks and restrictions on prolonged immersion in water.

Key benefits

An adjustable collar for dogs up to 8 kg. It is rain-resistant and formulated with imidacloprid and flumethrin.

Recommended for : Specific needs and frequent use
Advantix Medium Dog 10-25 kg 6 pipettes

Advantix Medium Dog – 10–25 kg – 6 pipettes

Why it’s a good fit: This product is for medium-sized dogs and households looking for a treatment that covers several of the parasites listed on the label.

How this product helps you avoid the pitfalls

The formulation is designed for a specific weight range and monthly application, helping you avoid guesswork when it comes to dosing.

Key benefits

One pipette per month, with indications for fleas, ticks, mosquitoes, sand flies, chewing lice and stable flies.

Recommended for : Households with large dogs
Seresto Dog pack of 2 collars for large dogs

Seresto Dog – Pack of 2 collars for dogs over 8 kg

Why it’s a good fit: This two-collar pack lets you plan ahead for your large dog’s next replacement, without having to apply a pipette.

How this product helps you avoid the pitfalls

This size is designed for dogs over 8 kg. Keep the second collar in its packaging, somewhere dry and away from heat, until you’re ready to use it.

Key benefits

Two collars, each offering up to eight months of protection, with a formula containing imidacloprid and flumethrin.

Looking for other options ?

We’ve put together a comprehensive, regularly updated list of products that meet these strict selection criteria and comply with European safety regulations.

Essential precautions

Always read the instructions and label before use. Products containing permethrin, including some Advantix products, must not be used on cats, as this substance can be extremely toxic to them. Also make sure children and other pets don’t touch the application site until it is completely dry.

If your pet accidentally swallows the product, or develops persistent redness, severe itching, tremors or unusual behaviour, contact a vet promptly. Never combine several parasite treatments without seeking professional advice.

Frequently asked questions

How often should I apply a flea treatment pipette to my dog?

It depends on the product. The products featured here generally need to be reapplied every four weeks, while a collar may provide protection for up to eight months, according to the instructions. Add the application date to your calendar so you don’t forget.

Is a flea and tick collar for dogs water-resistant?

Some collars can withstand rain and moderate exposure to water. Frequent or prolonged swimming may reduce how long they last, though. Always check the instructions for the model you choose.

Which flea and tick treatment should I choose for a small dog?

Start by checking your dog’s exact weight and the minimum age for use. For a dog weighing 1.5–4 kg, a product designed for very small dogs will be more suitable than one intended for dogs weighing 4–10 kg. Never split a pipette designed for a different weight range.