NexGard Spectra

Collection: NexGard Spectra

NexGard Spectra is Australia's #1 all-in-one monthly parasite protection for dogs and cats. A single monthly chew (for dogs) or spot-on application (for cats) protects against fleas, ticks, mites, lice, heartworm, and intestinal worms — no need for multiple products.

For Dogs

NexGard Spectra for dogs comes as a beef-flavoured chewable tablet that dogs love. It is available in 5 weight ranges to suit every breed:

  • XS (1.35–3.5 kg) — ideal for toy breeds and small puppies
  • S (3.6–7.5 kg) — suits small dogs such as Cavaliers and Pugs
  • M (7.6–15 kg) — perfect for Beagles, Cocker Spaniels, and similar
  • L (15.1–30 kg) — covers medium-large breeds like Labradors and Border Collies
  • XL (30.1–60 kg) — for large breeds such as German Shepherds and Golden Retrievers

Safe from 8 weeks of age and 1.35 kg body weight. Protects against: fleas, paralysis ticks, brown dog ticks, mange mites, ear mites, biting lice, heartworm, roundworm, hookworm, whipworm, and flea tapeworm.

For Cats

NexGard Spectra Spot-On is Australia's first and only all-in-one cat parasite product. A single monthly topical application to the back of the neck protects against:

  • Fleas, ticks, and mites
  • Heartworm and lungworm
  • Intestinal worms including hookworm, roundworm, and tapeworm

Available in two sizes: 0.8–2.4 kg (purple pack) and 2.5–7.5 kg (yellow pack).

NexGard vs NexGard Spectra — What's the Difference?

Protection NexGard NexGard Spectra
Fleas
Ticks (paralysis & brown dog)
Heartworm prevention
Intestinal worms (round, hook, whip)
Mites & biting lice
Available for cats
Form Monthly chew Chew (dogs) / Spot-on (cats)

Verdict: If your dog or cat needs complete all-in-one protection, NexGard Spectra is the better choice. NexGard is suitable if you only need flea and tick coverage and use a separate heartworm/worming product.

Frequently Asked Questions

What does NexGard Spectra protect against?

NexGard Spectra for dogs protects against fleas, paralysis ticks, brown dog ticks, mange mites, ear mites, biting lice, heartworm, roundworm, hookworm, whipworm, and flea tapeworm — all in one monthly chew. NexGard Spectra Spot-On for cats protects against fleas, ticks, mites, heartworm, lungworm, hookworm, roundworm, and tapeworm.

Is NexGard Spectra available for cats?

Yes. NexGard Spectra Spot-On for Cats is Australia's first all-in-one cat parasite product. It is available in two sizes: for cats 0.8–2.4 kg (purple pack) and 2.5–7.5 kg (yellow pack). It is applied topically to the back of the neck once monthly.

How old does my puppy need to be before starting NexGard Spectra?

NexGard Spectra for dogs is safe from 8 weeks of age and 1.35 kg body weight. It is also safe for use in breeding, pregnant, and lactating female dogs.

How often should I give NexGard Spectra?

Once monthly, ideally on the same day each month. For dogs, it can be given with or without food. For cats, apply the spot-on to the skin at the back of the neck once a month.

Which weight range should I choose for my dog?

Select the product that matches your dog's current body weight. The five ranges are: 1.35–3.5 kg (XS), 3.6–7.5 kg (S), 7.6–15 kg (M), 15.1–30 kg (L), and 30.1–60 kg (XL). If your dog is between two ranges, always choose the higher range to ensure full efficacy.

Is NexGard Spectra vet recommended?

Yes. NexGard Spectra is an Australian-registered veterinary medicine (APVMA registered) and is recommended by veterinarians across Australia. It is manufactured by Boehringer Ingelheim, a global leader in animal health.

Can I buy NexGard Spectra without a prescription?

Yes. NexGard Spectra is available over the counter in Australia and does not require a veterinary prescription. You can order online at Petso with fast, Australia-wide shipping.

Browse our related collections: Flea & Tick Treatment · Heartworm Prevention · Intestinal Worming