Nexgard for Dogs: A Comprehensive Guide to Flea and Tick Prevention Flea and tick infestations are some of the most common health issues that dogs face, and they can lead to a variety of uncomfortable and potentially dangerous conditions. From skin irritation to serious diseases like Lyme disease and Rocky Mountain spotted fever, parasites pose a significant threat to the well-being of dogs. Preventive measures, such as oral medications, are essential for...