Nexgard Spectra XS (orange)
| Price Per per chewable tablet (not box): | $ 22.61 |
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| Dispensing Fee: | $ 4.99 |
| Standard Package Size: | 6 |
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This is a prescription item and its sale is subject to verification of prescriptions on file and/or the authorization of a prescribing veterinarian. |
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| DIN#: | 02473364 |
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| Strength: | 1.9mg/9.4mg |
| Dosage Form: | per chewable tablet (not box) |
| Package Size: | 6 |
| Refrigerate: | No |
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| LMA: | No |
| Manufacturer: | Boehringer Ingelheim Animal Health |
| Active Ingredients: | Milbemycin/Afoxolaner |
What This Medication Is Used For
NexGard Spectra XS is a prescription oral chewable for dogs that provides protection against multiple parasites. It is used to control flea and tick infestations, prevent heartworm disease, and treat or control specific intestinal parasites, as directed by a veterinarian.
Conditions it treats
Flea infestations
Tick infestations
Heartworm disease prevention
Certain intestinal parasites, including roundworms and hookworms
Common signs that may lead to treatment
Persistent scratching, biting, or skin irritation linked to fleas
Ticks found attached to the skin or signs of tick bites
Ongoing parasite exposure due to outdoor activity, travel, or regional risk
Why veterinarians may prescribe it
When a dog requires combined external and internal parasite protection
When a single monthly chewable supports consistent prevention
When parasite control needs to align with the dog’s lifestyle and health history
How It Works
NexGard Spectra XS contains two active components that work together to target different parasites. One component eliminates fleas and ticks, while the other disrupts heartworm larvae development and controls certain intestinal worms.
This medication acts within the dog’s body and does not treat the surrounding environment. In cases of active flea infestations, your veterinarian may recommend additional household or environmental management measures.
How it compares to other parasite preventatives
Some parasite products address only fleas and ticks or only heartworm prevention. NexGard Spectra combines these functions into a single chewable tablet, when your veterinarian determines this approach is appropriate.
Use in ongoing parasite prevention
Parasite risk can change based on geography, season, and lifestyle. Veterinarians may reassess prevention plans over time to ensure continued suitability.
Dosage and Strength Information
The dose and administration schedule are prescribed by your veterinarian. Always follow veterinary instructions and do not adjust dosing without professional guidance.
What this strength is typically used for
The XS (orange) strength, 3.6 mg/18 mg, is generally prescribed for very small dogs when a lower-dose formulation is required to support accurate dosing and safe parasite prevention.
Other NexGard Spectra strengths
Safety Information and Possible Side Effects
Not all dogs experience side effects. When they do occur, reported effects may include vomiting, diarrhoea, reduced appetite, or lethargy.
Contact your veterinarian if you notice
Vomiting or diarrhoea that persists
Unusual tiredness, behaviour changes, or loss of appetite
Signs of an allergic reaction such as facial swelling, hives, or itching
Age, health, and species considerations
NexGard Spectra is intended for dogs only and is not suitable for puppies under 8 weeks of age. Your veterinarian will assess your dog’s health history, including any neurological conditions, before prescribing this medication.
Prescription Requirements in Canada
This product is classified as a prescription medication in Canada. A valid veterinary prescription and authorisation are required before dispensing and shipping.
Prescription submission options
Your veterinarian may fax or call the prescription directly to the pharmacy
You may request that the pharmacy contact your veterinarian on your behalf
If uploading a copy, the original prescription must be mailed before shipment
Orders containing prescription medications are held until authorisation is received and verified.
Shipping and Fulfilment Information
Orders are processed once prescription approval is complete and the product is in stock.
Packaging and delivery
Shipped via Canada Post
Prescription shipments require proof of delivery and may be carded for pickup
Tracking information is provided once dispatched
Processing notes
Payment is captured when the order is prepared for shipment
Delivery timelines begin once the package leaves the pharmacy and may be affected by prescription verification or availability
Pricing information
Pricing is shown per chewable tablet. A dispensing fee applies. Standard manufacturer packaging contains 6 chewables.
Frequently Asked Questions
Can NexGard Spectra XS be purchased without a prescription?
No. Canadian regulations require a valid veterinary prescription before dispensing.Is NexGard Spectra different from regular NexGard?
Yes. NexGard Spectra provides flea and tick control along with heartworm prevention and coverage for certain intestinal parasites. Your veterinarian can advise on the best option.Is this medication safe for cats?
No. NexGard Spectra is formulated for dogs only. Consult your veterinarian for feline parasite prevention options.What should I do if my dog becomes unwell after dosing?
Contact your veterinarian for guidance, particularly if symptoms such as vomiting, diarrhoea, or lethargy occur.Is heartworm testing required before starting treatment?
Testing may be recommended depending on your dog’s medical history, travel, and regional risk. Follow your veterinarian’s advice.