FDA has approved NexGard (afoxolaner), a chewable tablet administered once monthly to dogs, for the prevention of Borrelia burgdorferi (B. burgdorferi) infections by killing Black-legged ticks (Ixodes scapularis), which carry the bacterium.
FDA - U.S. Food and Drug Administration
The European Medicines Agency has reviewed the adverse events of Bravecto®, a veterinary medicine used to treat flea and tick infestations in dogs. The conclusion is that the medicine may on very rare occasions cause convulsions in dogs – primarily in dogs with pre-existing epilepsy.
Danish Medicines Agency
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