FDA approves NexGard for Lyme prevention!

Merial, now part of Boehringer Ingelheim, has received approval from the FDA to expand the label claims for NexGard (afoxolaner). The flea and tick control product is now approved to prevent Borrelia burgdorferi infections as a direct result of NexGard killing Ixodes scapularis vector ticks, commonly called black-legged ticks (or deer ticks). The FDA approval is based on two controlled laboratory studies that showed that NexGard effectively prevented the transmission of B. burgdorferi infections after dogs were infested with wild-caught I. scapularis ticks 28 days after treatment with NexGard. In addition to killing black-legged ticks, NexGard also kills lone star ticks, American dog ticks and brown dog ticks, and it prevents flea infestations by killing adult fleas before they lay eggs. Read more


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