Halloween can be a festive and fun time for children and families. But for pets? Let's face it, it can be a nightmare. Skip the stress and keep your pets safe this year by following these 10 easy tips. 1. Trick-or-treat candies are not for pets. All forms of chocolate—especially baking or dark chocolate—can be dangerous, even lethal, for dogs and cats. Symptoms of chocolate poisoningmay include vomiting, diarrhea, rapid breathing, increased heart rate, and seizures. Halloween