Merck's animal health division received Food and Drug Administration approval for its once-yearly injectable flea-and-tick treatment for dogs. Merck Animal Health said Thursday it expects its Bravecto ...

FDA approves Bravecto Quantum, the first injectable flea and tick treatment offering dogs up to 12 months of protection.

Dogs across the U.S. could soon get longer-lasting protection against pesky parasites thanks to a new treatment approved by ...