Will Benadryl Kill My Dog?
Will Benadryl Kill My Dog? Benadryl can kill a dog if given in extremely high doses. If you’re trying to euthanize your dog with Benadryl, we highly suggest that you consult a veterinarian. There are better medications and more humane ways to euthanize a dog. What happens if a dog eats too much Benadryl? Overdose.