NexGard Plus vs NexGard Spectra: Which Parasite Treatment is Right for Your Dog in 2025?

Dogs face daily threats from internal and external parasites—fleas, ticks, heartworms, and intestinal worms are more than just nuisances. Left untreated, these pests can lead to serious, sometimes fatal health conditions. Fortunately, leading veterinary pharmaceutical company Boehringer Ingelheim has created two powerful solutions: NexGard Plus and NexGard Spectra. But how do these two treatments differ?