Dr Will Maginness on Instagram: "Bravecto Quantum is the first FDA-approved injection to protect dogs against fleas and ticks for up to 12 months. Administered just once a year, it’s designed for dogs over 6 months of age and aims to kill fleas / ticks within 48 hours of application. But as a veterinarian, I believe this new drug deserves closer scrutiny. Bravecto Quantum contains fluralaner, an isoxazoline compound known to cause adverse neurological reactions in some dogs. Reported side effect