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NexGard Spectra vs NexGard

Compare NexGard Spectra to NexGard Chewables

Nexgard, and the newer NexGard Spectra, are trusted parasite treatments from Merial. So, what’s the difference?

Both NexGard and NexGard Spectra are given as a monthly flavored chewable. They help control flea infestations by killing adult fleas before they can lay eggs and also kill adult ticks which may carry deadly diseases.

NexGard Spectra has the addition of the active ingredient Milbemycin Oxime. This prevents the development of heartworm and provides protection against roundworms, hookworms, and whipworms.

NexGard and NexGard Spectra may be given to dogs and puppies from 8 weeks of age, with the exact product required based on your dog’s body weight. Please make sure you weigh your dog before administering.

Top tip: Fleas and ticks can carry nasty diseases, but protecting your pet doesn’t need to be difficult. Use our comparison chart to weigh up the pros and cons of the most popular products.

  NexGard Spectra NexGard
Kills Fleas yes tick yes tick
Repels Fleas - -
Kills Flea Eggs and Larvae Kills newly emerged fleas before they can lay eggs Kills newly emerged fleas before they can lay eggs
Kills Ticks yes tick yes tick
Repels Ticks - -
Kills and/or Repels Mosquitoes - -
Prevents Heartworm yes tick -
Prevents Roundworms yes tick -
Prevents Hookworms yes tick -
Prevents Whipworms yes tick -
Other Parasites    
Safe for Pregnant or Nursing Pets - -
When does it starts working Kills fleas within 6 to 8 hours Kills 100% of fleas within 24 hours
Application Beef-flavored chewable Beef-flavored chewable
Active Ingredient(s) Afoxolaner, Milbemycin Oxime Afoxolaner
Dosage Monthly Monthly

NexGard Spectra vs NexGard

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Pet Bucket Ltd is a UK registered company | Company no: 08345021 | 21 Pickford Rd. St.Albans | AL3 8RS UK Translation and Localization by Localizer