NexGard Chewables are vet-recommended and FDA-approved to kill adult fleas fast, before they have a chance to lay eggs. They’re also FDA-approved to help prevent Lyme infections by killing black-legged ticks. In addition, they kill American dog ticks, lone star ticks, and brown dog ticks. Each fast-acting chew provides safe and effective protection against fleas and ticks for a full month. And the chews are easy to give because dogs love the delicious beef flavor. Each box contains a 3-month supply.

NexGard Chewables kill and prevent flea infestations in dogs. They’re also FDA-approved to help prevent Lyme infections by killing black-legged ticks. In addition, they kill American dog ticks, lone star ticks, and brown dog ticks.

NexGard beef-flavored chews are given orally to dogs with or without food.

Afoxolaner

The most frequently reported side effects of NexGard include vomiting, dry/flaky skin, diarrhea, lethargy, and lack of appetite.

Afoxolaner is a member of the isoxazoline class. This class has been associated with neurologic adverse reactions including tremors, ataxia, and seizures. Seizures have been reported in dogs receiving isoxazoline class drugs, even in dogs without a history of seizures. Use with caution in dogs with a history of seizures or neurologic disorders.