NexGard Spectra for Extra-Large Dogs 66-132 lbs (Red)
NexGard Spectra Red Pack is specially formulated for extra-large dogs weighing 66-132 lbs. Each 8 g chew contains 150 mg of afoxolaner and 30 mg of milbemycin oxime, delivering broad-spectrum parasite protection in one convenient monthly dose. This tasty chew helps protect your dog against fleas, ticks, mites, mange, heartworm disease, and intestinal worms.
The weight-specific formulation ensures accurate dosing tailored for extra-large breeds. Easy to administer and beef-flavored for better acceptance, the red pack offers a simple and reliable way to keep your little companion protected with complete monthly coverage in a single chew.
How it helps
NexGard Spectra starts killing fleas within 6–8 hours, eliminating newly acquired fleas before they can lay eggs. It treats and controls tick, mange (demodectic and sarcoptic), and ear mite infestations. By preventing fleas, it also helps stop flea tapeworm infestations and controls flea allergy dermatitis. In addition, it prevents heartworm disease caused by Dirofilaria immitis and treats and controls roundworms, hookworms, and whipworms, providing complete monthly parasite protection.
Who it’s for
- Extra large dogs and puppies 8 weeks of age and older
- Dogs weighing 66-132 lbs.
Your veterinarian can help determine the correct strength based on your dog’s current weight.
Why Pet Parents Choose It
- Protects against fleas, ticks, mites, heartworm, and intestinal worms
- One monthly chew for broad-spectrum protection
- Monthly heartworm disease prevention
- Tasty beef-flavored chew dogs love
- Rapid flea-killing action
- Kills fleas before they can lay eggs, helping reduce flea infestations
- Controls flea allergy dermatitis
- Helps prevent flea tapeworm infestations
- Helps controls ticks, including paralysis ticks and brown dog ticks
- Treats and controls roundworms, hookworms, and whipworms
- Suitable for dogs and puppies from 8 weeks of age
How to Use
- Offer the chewable(s) appropriate for your dog’s weight at monthly intervals.
- Remove only one chewable at a time from the foil-backed blister card.
- Chewable tablet may be broken into pieces and fed to dogs who normally swallow treats whole.
- Offer as a treat—NexGard Spectra is a soft, highly palatable chew that most dogs readily consume.
- Alternatively, add the intact chew to a small amount of dog food.
- Ensure your dog consumes the complete dose and observe for a few minutes to confirm that no part of the dose is lost or rejected.
- If it is suspected that any portion of the dose has been lost, administer another full dose.
- If a dose is missed, give the NexGard Spectra chewable(s) appropriate for your dog’s weight and resume a monthly dosing schedule.
- Continue monthly dosing for ongoing protection.
Dosage:
| Dog weight (lbs.) |
Dog size |
Pack color |
Chewable size (g) |
Afoxolaner (mg/chew) |
Milbemycin oxime (mg/chew) |
| 4.4 - 7.7 |
Extra small |
Orange |
0.5 |
9.4 |
1.9 |
| 7.7 – 16.5 |
Small |
Yellow |
1 |
18.8 |
3.8 |
| 16.5 - 33 |
Medium |
Green |
2 |
37.5 |
7.5 |
| 33 - 66 |
Large |
Purple |
4 |
75.0 |
15.0 |
| 66 - 132 |
Extra-large |
Red |
8 |
150.0 |
30.0 |
| Over 132 Administer the appropriate combination of chewables |
Safety & Care Tips
- For dogs and puppies 8 weeks of age and older.
- Use only in dogs weighing at least 4.4 lbs.
- Consult your veterinarian before use in breeding male dogs.
- For optimal performance, treat your dog on or about the same day each month.
- Follow heartworm testing recommendations prior to starting prevention.
- Monitor your dog after administration and consult your vet if any unusual signs occur.
- For the most effective control of Paralysis ticks (Ixodes holocyclus) and to help minimize the risk of tick paralysis, use NexGard Spectra in conjunction with daily tick searching and prompt removal.
- Treatment with NexGard Spectra alone will not completely eliminate the risk of tick paralysis.
- Consult your veterinarian for advice on proper tick searching and safe removal techniques.
- Use with caution in dogs with a history of seizures or neurological disorders.
- Keep out of reach of children.
- Store below 30°C in a dry place, away from direct sunlight.
Active ingredients:
- Afoxolaner
- Milbemycin oxime
Available Pack Sizes
- 1-month supply (one chew)
- 3-month supply (three chews)
- 6-month supply (six chews)
- Choose the pack size that suits your dog’s routine and enjoy simple, complete parasite protection in one convenient monthly chew.
| Product Name |
Pet Size |
Pet Weight (lbs.) |
Color Code |
| NexGard Spectra for Dogs |
Extra-Small Dogs |
4.4 - 7.7 |
Orange |
| NexGard Spectra for Dogs |
Small Dogs |
7.7 – 16.5 |
Yellow |
| NexGard Spectra for Dogs |
Medium Dogs |
16.5 - 33 |
Green |
| NexGard Spectra for Dogs |
Large Dogs |
33 - 66 |
Purple |
| NexGard Spectra for Dogs |
Extra-large Dogs |
66 - 132 |
Red |
Covers everything in one chew.