Bravecto For Medium Dogs – Single Tablet (containing 500 mg Fluralaner) Bravecto is a chewable oral flea and tick treatment for dogs which lasts for 3 months! Currently the only oral tablet on the market that lasts for 12 weeks. One of the most popular flea treatments because it works so well. Active Ingredients Bravecto contains fluralaner. Some of the Key Benefits: - Control’s tick and flea infestations on dogs for 12 weeks. - Safe for use in breeding, pregnant and lactating dogs - Aids in the control of flea allergy dermatitis - Starts killing fleas within 2 hours - Kills 100% of fleas within 12 hours after treatment - Washing, swimming, and grooming will not affect efficacy - For puppies over 8 weeks of age