NexGard Spectra®

NexGard Spectra® is a prescription only medicine. This site is provided as an information service for veterinary professionals working in the UK. Please tick ‘I’m a veterinary professional’ to confirm that you are a veterinary professional working in the UK (e.g. veterinary surgeon, veterinary nurse or veterinary student).

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A dog excited to eat the NexGard Spectra chew

NEXT-LEVEL PROTECTION: 
ONE AND DONE

Parasite protection couldn’t be easier. One monthly tasty chew controls these key parasites*:

parasites

Also licensed to treat ear mites† and can be used in breeding, pregnant and lactating bitches‡

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Nexgard Spectra

Hear what  practices and owners think

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Nexgard Spectra

Taking parasite protection to the next level

Championing accessible, responsible care in every UK practice 

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NexGard SPECTRA® protects against all these key parasites in a single chew

Activity against key dog parasites§

 NexGard Spectra®Advocate®CredelioTMSimparica TrioTMBravecto®
TriUNO
Palatable✓Spot on
Licensed for pregnancy/lactation✓
Can be given on empty stomach††✓Spot on✓
Fleas✓✓✓✓✓
Ticks✓✓✓✓
Mites including ear mites✓✓
Roundworm✓✓✓✓✓
Lungworm✓✓✓✓✓

9/10 dogs prefer NexGard SPECTRA®

 

  • chart

    of dogs prefer
    NexGard SPECTRA®
    to Simparico Trio™1

  • chart

    of dogs prefer
    NexGard SPECTRA®
    to Credelio™ Plus2

     

 

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Next level protection: one and done

Yum and Done video cover
Read the full story here

Hear why practices are choosing NexGard SPECTRA®

video

For more information, read the full vet brochure

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NexGard SPECTRA® has a proven safety profile3

dog
  • Well tolerated, even in puppies – adverse effects are uncommon and generally transient and self-limiting
     
  • No adverse reactions when overdosed at up to 5x maximum dose
     
  • MDR-1 mutant collies – no treatment-related changes at 5x maximum dose

NexGard SPECTRA® for simplicity

 

Spectra packs

 

Simplifies and rationalises shelf stock 

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Owner materials
Handy resources, like posters for your veterinary practice, and materials to support your client communications.

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Owner materials

Puppy campaign
Engage with new puppy owner clients, helping to keep their new family member happy and healthy while building a lifelong connection with your practice.

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Puppy campaign

Introducing Parassess®
A FREE online, easy-to-use parasite risk checker that helps owners to help you assess their dog’s individual risk. Enables a timely, risk-based prescribing decision in your busy practice.

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Explore Parassess
  • Owner materials
  • Puppy campaign
  • Parassess risk checker

Choose NexGard SPECTRA®...

*NexGard SPECTRA® also covers heartworm, hookworm, whipworm and eyeworm. NexGard SPECTRA®’s mite indication is for treatment of sarcoptic mange, demodicosis and otodectes cynotis. NexGard SPECTRA® does not cover tapeworms.
†Otodectes cynotis.
‡The safety of the veterinary medicinal product has not been established in breeding males. In breeding males, use only according to the benefit-risk assessment by the responsible veterinarian.
§The table shows activity against fleas, ticks, roundworm, lungworm and mites. Some of the products listed have claims against other parasites. Refer to the Summary of Product Characteristics for each product for full details of the licensed indications.
**9 out of 10 dogs that demonstrated a preference in the studies preferred NexGard SPECTRA®.  
‡‡Credelio™ Plus – the safety of product has not been established during pregnancy, lactation or in breeding dogs. Use only according to benefit-risk assessment by the responsible veterinarian.
††Where SPC advises to give with/shortly after food, this is recorded here as X.
§§Credelio™ Plus is licensed to treat demodicosis but not sarcoptic mange or ear mites. Simparica TRIO™ is licensed to treat demodicosis and sarcoptic mange, but not ear mites.
¶The recommended dose should be strictly observed in collies or related breeds.

References:

  1. Perier N, Carithers DS, Everett WR, et al. Preference of Dogs between Two Oral Formulations of Endectoparasiticides: NexGard SPECTRA® (Afoxolaner and Milbemycin Oxime) and Simparica TrioTM (Sarolaner, Moxidectin and Pyrantel). Open Journal of Veterinary Medicine 2020;10:155–163.
  2. Perier N, Carithers DS, Everett WR, et al. Preference in Dogs of Two Oral Endectoparasiticide Formulations: NexGard SPECTRA® (Afoxolaner and MilbemycinOxime) and CredelioTM Plus (Lotilaner and Milbemycin Oxime). Open Journal of Veterinary Medicine 2021;11:289–298.
  3. EMA. European Public Assessment Report (EPAR): NexGard SPECTRA® chewable tablets for dogs (afoxolaner and milbemycin oxime). European Medicines Agency, London.

NexGard SPECTRA® contains afoxolaner and milbemycin oxime. UK: POM-V IE: POM.  Further information available in the SPC or from Boehringer Ingelheim Animal Health UK Ltd., RG12 8YS, UK. UK Tel: 01344 746959 (sales) or 01344 746957 (technical). IE Tel: 01 291 3985 (all queries). Email: vetenquiries@boehringer-ingelheim.com. NexGard SPECTRA® is a registered trademark of Boehringer Ingelheim Animal Health France SCS, used under licence. ©2026 Boehringer Ingelheim Animal Health UK Ltd. All rights reserved. Date of preparation: Feb 2026. UI-PET-0373-2025. Use Medicines Responsibly.  
Prescription decisions are for the person issuing the prescription alone.