Brussels Griffon Relax Dog AromatherapyIs Your Brussels Griffon Afraid of Fireworks? Thunder? Your Brussels Griffon may be a pretty confident little dog, trotting around with a certain amount of swagger, pluck, and savoir faire. But let the fireworks begin or a thunderstorm roll in and your little Griff is trembling in your lap. Of course, harsh sedatives are not the answer, just as we don't want to stay medicated our entire lives in case we see a spider, our dogs don't need to be drugged