NexGard Spectra for Dogs: The One Chew That Kills Fleas, Ticks, Heartworm & Worms All at Once
Introduction: One Chew to Rule Them All
If you are a dog owner who wants the most comprehensive parasite protection available, NexGard Spectra is the product your veterinarian is most likely to recommend. In a single monthly beef-flavoured chew, NexGard Spectra tackles fleas, ticks, mites, heartworm disease, and three types of intestinal worms — making it the broadest spectrum oral parasiticide on the market today.
Whether you live in South Africa or anywhere else in the world, parasites pose a year-round threat to your dog. This blog breaks down exactly how NexGard Spectra works, what it covers, and why it stands above the rest.
What Is NexGard Spectra?
NexGard Spectra is a prescription oral tablet from Boehringer Ingelheim — the makers of the trusted NexGard brand. It combines two powerful active ingredients:
Afoxolaner — kills fleas and ticks by over-stimulating their nervous system
Milbemycin Oxime — prevents heartworm disease and controls intestinal worms
Together, these two ingredients provide protection against seven parasite threats in one palatable chew that dogs typically love. Available in five weight-based sizes, it covers dogs from 2 kg all the way up to 60 kg.
Complete Parasite Coverage: What Does NexGard Spectra Treat?
Here is a full breakdown of what NexGard Spectra protects your dog against:
NexGard Spectra vs Regular NexGard: What Is the Difference?
A common question dog owners ask is how NexGard Spectra differs from the standard NexGard product. Both contain afoxolaner and protect against fleas and ticks. However, NexGard Spectra adds milbemycin oxime, which provides the crucial layer of heartworm and intestinal worm protection.
Put simply: if your dog is only on standard NexGard, you still need a separate heartworm preventative and a dewormer. NexGard Spectra combines all three into one chew — saving you money, effort, and the stress of multiple medications.
Dosage Guide: Which Size Does Your Dog Need?
How to Give NexGard Spectra to Your Dog
Weigh your dog before each monthly dose to ensure the correct size chew
Remove only one chewable at a time from the foil blister pack
Offer it directly as a treat or mix it into a small amount of food
Watch your dog for a few minutes to confirm the full chew is consumed
If any part of the chew is rejected or lost, re-dose with a full chew
Administer on the same date every month for consistent protection
Is NexGard Spectra Safe?
NexGard Spectra is approved for use in dogs and puppies from 8 weeks of age weighing at least 2 kg. It is also safe for use in breeding, pregnant, and lactating dogs — a major advantage over many other treatments. As with all parasite treatments in the isoxazoline class, dogs with a known history of seizures should be evaluated by a vet first.
Side effects are rare but may include vomiting, diarrhoea, or lethargy. Most dogs tolerate the chew without any issues.
Why Buy NexGard Spectra from BudgetPetSupplies.co.za?
Competitive pricing — single chews and value 3-packs available
Free shipping on all orders above R500
100% money back guarantee and PCI-certified secure checkout
Trusted by thousands of South African pet owners — rated 4.8/5 with 139 reviews
Auto-Delivery option available at 10% off for recurring protection
Final Thoughts
NexGard Spectra is one of the most complete parasite protection products available for dogs anywhere in the world. With one chew per month, you protect your dog from fleas, ticks, heartworm, mites, and multiple intestinal worms — all from a product that tastes like a treat.
Whether you have a tiny Chihuahua or a large German Shepherd, there is a NexGard Spectra size perfectly suited to your dog. Speak to your veterinarian and order today from BudgetPetSupplies.co.za.

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