Great product and awesome service. Thank uou
Great service, arrived promptly. Same exact product as here in the US, but less expensive.
$0.00 USD
NexGard Spectra
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NexGard Spectra Chewables for Extra Small Dogs deliver complete monthly parasite protection in a single beef-flavored chew. Combining afoxolaner and milbemycin oxime, NexGard Spectra (Orange) protects extra small dogs weighing 4.4–7.7 lbs (2–3.5 kg) against fleas, ticks, heartworm, and the most common intestinal worms (roundworm, hookworm, and whipworm) — six parasites covered with one chew, once a month.
NexGard Spectra combines two trusted active ingredients:
NexGard Spectra is well tolerated by most dogs. Mild, short-lived side effects can include vomiting, diarrhea, itching, lethargy, or reduced appetite. Contact your veterinarian if anything persists or seems unusual.
My puppy is small — when can she start NexGard Spectra Orange?
NexGard Spectra Orange is approved for puppies from 8 weeks of age, as long as they weigh at least 4.4 lbs (2 kg). Don’t start it on younger or lighter puppies.
My puppy is growing fast — when do I move from Orange to Yellow?
Switch to the Yellow pack (7.8–16.5 lbs) as soon as your puppy crosses 7.7 lbs. Underdosing a dog who’s outgrown a pack reduces effectiveness, especially for the heartworm component.
What’s the difference between NexGard and NexGard Spectra Orange?
Regular NexGard covers fleas and ticks only. NexGard Spectra adds heartworm prevention plus treatment for roundworm, hookworm, and whipworm — so one chew replaces 2–3 separate products.
Does my dog still need a separate heartworm test before starting?
For puppies starting NexGard Spectra before 7 months of age, no test is typically needed. For older dogs being newly started on heartworm prevention, your vet may recommend a heartworm test first — standard practice across the US and Canada.
How fast does NexGard Spectra start working?
Fleas start dying within hours, and ticks are killed within 24–48 hours. Heartworm and intestinal worm protection builds with consistent monthly dosing.
Do I need a prescription to buy NexGard Spectra?
No — SmartWay Pet Supplies ships NexGard Spectra over the counter to customers across the US and Canada. No prescription or vet authorization required at checkout.
Fast shipping across the US & Canada — no prescription required. Use only as directed on the packaging. Information provided for general reference; speak with your veterinarian for medical advice specific to your dog.

Great product and awesome service. Thank uou
Good product
Great service, arrived promptly. Same exact product as here in the US, but less expensive.
Fast shipping
Great on shipping. Very good price.
Excellent product
Even though I have to pay duties for this product to come to Canada 🇨🇦 it's still cheaper than getting it from the vet.
Plus having auto reorder is great except when you forget that it's set up and order the item again. 😀
Item shipped quickly, good communication!