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NexGard Flea and Worm Treatments

NexGard Flea and Worm Treatments for Cats and Dogs

Protecting your pet inside and out

NexGard flea and worm treatment can treat your pet from infestations and give them protection. Available for cats and dogs, you can find the correct dosage of this prescription treatment for your pet in our range below..

Shop All NexGard

About NexGard Spectra

NexGard and NexGard Spectra are prescription-only flea and worming treatments for both cats and dogs. They offer a great range of flea and worming treatments including chewable tablets for dogs, and spot-on treatments for cats to help treat parasite infestations and prevent reinfestation for 4 weeks. NexGard is one of the many pet medications developed by the Boehringer Ingelheim Animal Health company who have been working to improve the lives of both humans and the animals they love since the 1950s. Other brands created by Boehringer Ingelheim include Frontline and Seraquin

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The Hill’s Prescription Diet range is a vet recommended food range to help manage specific conditions that can occur in pets, including kidney support, digestive care, weight management and more. Always consult with your vet before feeding your pet any prescription pet foods.

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Science Plan

The Hill’s Science Plan range offers fantastic, biology-based diets that are formulated to help your pet stay healthy and happy as they continue to grow. All Science Plan diets offer are easily-digestible and are packed full of the necessary vitamins, minerals and nutrients that your pet needs to thrive.

What our customers think of Hill's

5/ 5

I have several dogs and have found this the most economic way of worming them

Trusted Customer - Wednesday, May 18, 2022

5/ 5

It seems to be the only wormer I have found that my dog will happily take.

Gaynor Smith - Monday, April 25, 2022

5/ 5

Easy to use I just add it to dogs food, it does the job it’s supposed to. I’ve used it before and will use again.

Trusted Customer - Monday, February 14, 2022

5/ 5

Really palatable my cat eats it no problem, and it works very well. Originally purchased from vets, was very pleased to get it from here at a fraction of the price.

Trusted Customer - Friday, February 4, 2022

How to Give your Dog NexGard 

NexGard is a flea and tick treatment for dogs, and NexGard Spectra is a flea and worm treatment, both are quick and easy to administer. All you need to do is make sure you have the right chewable tablet for your dog’s body weight. NexGard Spectra Chews are available for:

  • Small dogs (3.5-7.5kg)
  • Medium dogs (7.5-15kg)
  • Large dogs (15-30kg)
  • Extra-large dogs (30-60kg)

For dogs weighing over 60kg, you should use the appropriate combination of chews to equal your dog’s body weight. For example, a 75kg dog should be given 1 Extra-large dog tablet (30-60kg), and one Medium dog tablet (7.5-15kg).

Dogs under the minimum tablet weight (3.5-7.5kg) should not be given the NexGard Spectra Chew without consultation from a veterinary professional. 

NexGard chewable tablets are available for:

  • Small dogs (2-4kg)
  • Medium dogs (4-10kg)
  • Large dogs (10-25kg)
  • Extra-large dogs (25-50kg)

Once again, if your dog doesn’t meet the required minimum weight for small dogs (2kg) speak to your vet. Also, dogs over 50kg can use a combination of tablets to provide the correct dosage.

The NexGard and NexGard Spectra Chews are beef flavoured and palatable to dogs and studies have shown the vast majority of dogs like the taste and will take the chew like a treat. Both types of NexGard tablets can be given with or without food. 

When used as directed, NexGard is safe for use on any breed of dog 8 weeks or older. 


How to Apply NexGard COMBO to your Cat

NexGard COMBO is a broad-spectrum parasiticide for cats. This treatment will kill and protect against fleas, ticks, ear mites, tapeworms and roundworms, giving all-round protection for your cat. NexGard COMBO is available for small cats (under 2.5kg) and large cats (2.5 - 7.5kg).

To apply this treatment, simply ensure you have the correct dosage for your cat. With the applicator held upright, twist and pull off the cap. Hold your cat and part the fur on the midline of the neck, between the base of the skull and shoulder blades to expose the skin. Place the tip of the applicator on the skin and apply the full contents directly onto the skin in one spot. Applying the product in this area ensures your cat cannot groom the product off, but if there are other animals keep them separate until the liquid is absorbed.

Frequently Asked Questions

Do You Need a Prescription for NexGard?

NexGard is a prescription-only treatment for both cats and dogs, this includes NexGard Spectra and NexGard COMBO. This means you will require a valid prescription from your vet before you can purchase any NexGard products. Therefore you should be wary of anywhere stating that you can buy NexGard without a vet prescription from them.

How Long Does it Take for NexGard to Start Working?

NexGard kills all fleas on your pet within 8 hours, and all ticks within 48 hours. 

How Often Do You Give NexGard to Your Dog?

Both NexGard and NexGard SPECTRA should be administered to your dog once a month.

 How Often Do You Give NexGard to Your Cat?

NexGard COMBO should be applied to your cat every four weeks to give the best protection.

Can I give the Nexgard Spectra Chew to my Cat?

No. The NexGard Spectra Chew is only intended for dogs. As cats and dogs have different internal systems, the NexGard chew will not work and could potentially harm your cat. 

Always ensure that the product or treatment you are administering to your pet is formulated specifically for them as stated on the packaging. This also goes for NexGard chewable tablets, you should only give this to your dog. For cats, use NexGard COMBO only. 

Is NexGard Vet Recommended?

NexGard COMBO should be applied to your cat every four weeks to give the best protection.