what are the side effects of using nexgard in dogs?
Since the release of NexGard, adverse events that have been reported for dogs are listed here in decreasing order of reporting frequency: Vomiting, pruritus, lethargy, diarrhea (with and without blood), anorexia, seizure, hyperactivity/ restlessness, panting, erythema, ataxia, dermatitis (including rash, papules), ...