NexGard for dogs
A monthly chew that kills fleas and ticks in dogs and helps prevent Lyme disease. [1]
Key facts
| Generic name | Afoxolaner |
|---|---|
| Common brand names | NexGard, NexGard Plus, NexGard Spectra |
| Used in | Dogs |
| Type | Flea, tick & heartworm |
| Prescription? | Prescription |
| Typical US price | Not listed (no reliable public source) |
What it's used for
A monthly chew that kills fleas and ticks in dogs and helps prevent Lyme disease. [1]
How it works
It spreads through the dog's body, and fleas and ticks die after biting. [1]
Side effects and cautions
Common side effects: Very few in most dogs. Vomiting and diarrhea can happen. [1]
Use with care: An isoxazoline: the FDA has warned of possible tremors, wobbliness and seizures. Not for puppies under 8 weeks or 4 pounds unless your vet says so. [1] [2]
Call your vet right away if your pet has trouble breathing, facial swelling, hives, collapse, or any side effect that is severe or getting worse.
What it costs
We don't list a price for this one because we couldn't find a reliable public source. Ask your vet or pharmacy for a quote; prices depend on your pet's size, the dose and where you fill it.
NexGard FAQ
What is NexGard used for in dogs?
A monthly chew that kills fleas and ticks in dogs and helps prevent Lyme disease.
What are the side effects of NexGard?
Very few in most dogs. Vomiting and diarrhea can happen.
Does NexGard need a prescription?
Yes. It needs a prescription from a veterinarian.
How much NexGard should I give my pet?
Only your veterinarian can tell you. The right dose depends on your pet's weight, health and other medicines, so we don't list doses. Never give a pet a medicine prescribed for a person or another animal without asking your vet.
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This page is general information for pet owners, not veterinary advice. Talk to your vet about your own pet.