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Afoxolaner

NexGard

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Sourced from primary literature. Awaiting credentialed clinical reviewer — our editorial process.

Drug Class

Antiparasitic

Routes

PO

Indications

Mechanism of Action

Isoxazoline ectoparasiticide blocking GABA and glutamate-gated chloride channels in arthropods. Monthly flea and tick protection.

Side effects & warnings

FDA-approved for dogs. Seizure potential in dogs with neurologic history. Not for use in puppies <8 weeks or <1.8kg. Dogs only (not cats).

Species with Afoxolaner dosing data (1 dose rule)

Evidence levels across 1 dose rule

Strong×1

Each ExoticRx dose rule is graded by the strength of its primary evidence — see the editorial process.

Backed by a published primary source

  • · Plumb's Veterinary Drug Handbook, 9th Ed

Sample dosing (1 of 1 cited rule)

Free-tier preview — dog and cat dosing. Pro and Student unlock all 1 species including reptiles, birds, pocket pets, livestock, and equine.

SpeciesRouteDoseFrequencyEvidenceSource
Dog (Domestic)PO2.5–6.3 mg/kgq30 daysStrongPlumb's Veterinary Drug Handbook, 9th Ed

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